Q: Part A A flat puck (mass M) is revolved in a circle on a frictionless air hockey table top, and is h...
A:
Q: (4%) Problem 4: AAV =1.5 V battery loses E = 5.5 J of energy each day (t 24 hrs) powering a cell pho...
A: Given: ∆V=1.5 V Energy loss, E=5.5 J Time, t=24 hrs To find (a) write an expression for current. ...
Q: A transverse wave on a string is described by the wave function y(x, t)'= 0.364 sin(2.25x + 86.0t) w...
A:
Q: A car is accelerating uniformly as it passes two checkpoints that are 30 m apart. The time taken bet...
A: Initial velocity, u=5 m/s Distance between two checkpoint, s=30 m Time taken, t=4 s Let acceleration...
Q: A disk spins at 4.0 revolutions/second. What is its period, in second?
A:
Q: If the magnitude of the electric field in air exceeds roughly 3 x 10° N/C, the air breaks down and a...
A:
Q: How much compression acts on the hip during two-legged standing, given that the joint supports 250 N...
A: Looking at the components Rcosα=Fmcos70=600cos70Rsinα=mg+Fmsin70=250+600sin70
Q: The drawing shows two long, straight wires that are suspended from a ceiling. The mass per unit leng...
A:
Q: Quite often advertisements appear for telescopes that extol their magnifying power. a) Is this a goo...
A:
Q: 1. Vector I is 20.00 km southeast, Z is 14.00 km west, A is 12.50 km 35° W of S, and L is 15.00 km 5...
A:
Q: A= 2i - 2j (in N), B=-i +2j Consider the following vector forces: c=-2i +5) (in N) and (in N). a) De...
A:
Q: answer with solution working out please!
A:
Q: 2. A block of mass 1.6 kg is attached to a horizontal spring that has a force constant of 1.0 x 103 ...
A:
Q: 1. Solving ideal Gas Law Problems Directions: Use the ideal gas law, "PV-nRT", and the universal gas...
A: As per our guideline we will solve first three parts for you. To get remaining parts solved please r...
Q: raiL A Determine the normal force exerted by the road on the car. A 1000-kg sports car (including th...
A:
Q: in Pr A charge of-2.88 µC is fixed in place. From a horizontal distance of 0.0550 m, a particle of m...
A:
Q: 30uc Compute the net force on charge 3. The area of the whole triangle is 14m2. 2m -29uC -27uc
A:
Q: You bring a negatively charged object close to the top of an electroscope (without touching it), and...
A:
Q: What does the slope of the graph of friction force versus normal force represent?
A: The answer is below
Q: Sketch the FBD of a strong robot pushing a box along a horizontal floor if the box is not moving
A: Post the remaining questions separately!
Q: The 2nd Law of Thermodynamics implies that a heat engine can never completely convert Heat to mechan...
A: The answer is below
Q: Problem 1: Two parallel plates are charged with +Q and -Q respectively as shown in the figure, where...
A: Given that, Q= 37 nC Area (A)= 0.015 m² Distance between plates (d)= 6.2 cm Or d= 0.062 m
Q: Boiling is a form of evaporation - O True O False
A:
Q: 5.3-cm tall wooden can is placed a distance of 9.1 cm from a concave mirror having a focal length of...
A:
Q: Consider the velocity vs. time graphs for two objects. (a) Does either object ever turn around? If ...
A:
Q: A battery, a capacitor, a bulb, and a switch are in the circuit as shown. Unlike most real bulbs, th...
A: The bulb will initially be bright because a large amount of current is passing through it due to the...
Q: 1) A car starting from rest is traveling with a contant acceleration of 30 mis Find s veladity ater ...
A: Given data: Initial velocity (Vi) = 0 m/s Acceleration (a) = 30 m/s2 Time (t) = 5 s Required: Final...
Q: Given data : Mass of ball=2 kg Velocity of ball -2.8 m/s Determine kinetic energy
A:
Q: 4. Three charges are placed on three corners of a square, as shown in the figure. Each side of the s...
A:
Q: A long, straight metal rod has a radius of 5.10 cm and a charge per unit length of 25.8 nC/m. Find t...
A:
Q: At t = 0, a particle moving in the xy plane with constant acceleration has a velocity of v, = (3.00 ...
A:
Q: A ball is projected at 15 m/s vertically upward from the edge of a cliff 60 m high. Find the ball ve...
A:
Q: What are the advantages of a fusion reactor over a fission reactor? What are the practical difficult...
A:
Q: Where the speed of a fluid increases, its pressure will O stay the same O increase O depend on what ...
A: When the speed of a fluid increases, its pressure will
Q: When the temperature of a copper penny is increased by 100 C°, its diameter increases by 0.17%. The ...
A: Given: The change in temperature of the copper wire is 100oC. The diameter of the wire increased by ...
Q: Activity 1 – Determining Charge Determine the charge on the object and explain why it has this charg...
A: Concept explanation: If a body or object have more number of positive charge than the negative, the...
Q: 3. A motorcycle travels along the x axis. The velocity versus time ( v-t graph of his motion is show...
A: A motorcycle travels along the x-axis. the velocity versus time [v-t] The graph is given below as ...
Q: Two thin rods 10 cm long and the charge per unit length +20 C/m, are arranged as shown in the figure...
A: Given Length of rod, L = 10 cm Point p from one end of each rod, P = 2 cm Charge per unit length ...
Q: 1. There are many similarities between an image formed using a converging (concave) mirror and an im...
A:
Q: Exercise 1-1 A= 2 - 2) B=-1 +2) (in N), Consider the following vector forces: C=-2i +5) (in N) and (...
A:
Q: The most stable of these vehicles would be a _____. * a. jeep b. racing c. heavy cargo d. ho...
A: The most stable of these vehicles would be a _____
Q: i measured the freezer temperature to be -4.05 degrees Celsius. What is this in SI units?
A: Given data: Temperature in Celsius scale TC = -4.05°C Required: Temperature in SI unit
Q: A spelunker is surveying a cave. She follows a passage that takes her a distance 190 m straight west...
A:
Q: A1/ For the shape below, the Resultant of three forces (200N, F1 and F2) is 600N: (a) the force F1 i...
A:
Q: 2. Directions: Solve the following heat engine work done related problems. 1. During a cyclic proces...
A: Solution :- Part 1.
Q: The resistance of an electric heater is 55 Ω when connected to 120 V. How much energy does it use d...
A:
Q: For a disk of radius R = 18 cm and Q = 8 x 10-6 C, calculate the electric field 2 cm from the center...
A:
Q: A driver travels northbound on a highway at a speed of 22.0 m/s. A police car, traveling southbound ...
A:
Q: (a) Newton's law of universal gravitation is F- G mimair, where Fis a force (with dimension [F]-M-L/...
A:
Q: You have a string of holiday lights, consisting of 30 bulbs in series. The string of lights is plugg...
A: Voltage (V) = 120 V Current (I) = 2.50 A number of bulbs = 30 Let the resistance of each bulb = R Ma...
What is the maximum resistance value of the resistor with Gray, Blue, Red color bands?
A. 8500ohms
B. 1700ohms
C. 10200 ohms
D. 6800ohms
Step by step
Solved in 2 steps with 2 images
- A 20.0 Ω resistor, R1, with a maximum power rating of 5.0 W is to be connected in series to another resistor, R2 in a circuit with a 24-V battery. 1. What is the total resistance of the series circuit? 2. What is the maximum allowable current in the resistor, R1? 3. What is the resistance of the second resistor, R2?A circuit contains three resistors connected in series across 100 volts; the circuitcurrent is 2 Amperes. Two resistors (R1 and R2) have known values of 5 and 10 ,respectively. Determine:a. The resistance of the entire circuit.b. The resistance of the third resistor R3.c. The voltage drop across each resistor.A series RC circuit, which is made from a battery, a switch, a resistor, and a 3.45- µF capacitor, has a time constant of 11.0 ms. If an additional 12.0- µF is added in series to the 3.45- µF capacitor, what is the resulting time constant? O a. 14.2 ms b. 38.3 ms c. 1.19 ms d. 8.54 ms O e. This cannot be found without the value of the resistance being given.
- In the circuit pictured, the resistors have values of R1 = 150 Ω, R2 = 68 Ω, and R3 = 160 Ω, and the battery has an emf ε = 259 V. a. Write an expression for the current through the battery. b. In amperes, how much current ibatt goes through the battery? c. Write an expression for the current through resistor 2. d. In amperes, what is the current i2 through resistor R2?An ideal emf ɛ = 12 V is wired into a circuit with resistors R1 = 4.0 N and R2 = 8.0 N, as shown below. R1 R2 a. Find the current in the circuit. b. Identify which resistor dissipates the greatest power and find that power.You have done the Wheatstone Bridge experiment using a power supply with emf Vo and a wire of length L and resistivity p and determined the balance point for unknown resistance R, known resistance Rg, Which of the following will keep fixed the ratio of L2/L? O a. Changing the unknown resistance and fixing other variables. O b. Varying the length of the wire and keeping everything else the same. O c. Changing the resistivity of the wire and keeping everything else the same. O d. Changing emf of the power supply and keeping everything else the same. O e. Changing the known resistance and fixing other variables.
- a. How much current is drawn from the source?b. What is the terminal voltage of the battery?c. What is the total resistance?d. What is the voltage drop across each device?e. What is the current in the resistor [6-ohm]? Note: Draw another schematic showing combinations of resistance [if there is any]You have done the Wheatstone Bridge experiment using a power supply with emf Vo and a wire of length L and resistivity p and determined the balance point for unknown resistance R, known resistance R Which of the following will keep fixed the ratio of L2/L? O a. Changing the unknown resistance and fixing other variables. O b. Varying the length of the wire and keeping everything else the same. O c. Changing the resistivity of the wire and keeping everything else the same. O d. Changing emf of the power supply and keeping everything else the same. O e. Changing the known resistance and fixing other variables.A capacitor discharges through a 820k2 resistor and drops to its original voltage in 7min How many farads is the capacitor? -t V =VneRC Select one: a. C = 0.72 mF b. c= 0.76 mF C. C= 0.75 mF d. c= 0.74 mF
- 4a. Find the current in the circuit (magnitude and direction) 4b. Find the potential difference of V_ab of point a with respect to point b. 4c. Find the potential difference of V_bc of point b with respect to point c. 4d. What is the total rate at which electrical energy dissipatate in R1, R2, and R3 resistors. 4e. What is the power output of the 26V battery? 4f. At what rate is the electrical energy being converted to other forms in the 10V battery? 4g. Show that the power output of the 26V battery equals the overall rate of dissipation of electrical energy in the rest of the circuit?Six resistors are connected to a battery. It is known that R1=5 ohm, R2= 25 ohm, R3= 80 ohm, R4= 10 ohm, R5= 60 ohm, R6= 10 ohm. a. What is the equivalent resistanceof the circuit? b. If the battery voltage is 48 V and if we ignore its internal resistance, what is the total current Itot in the main path? c. What is the current I3 through R3? d. What is the current I4 through R4 ? What is the voltage V4 across R4?A circuit consists of two resistors connected in parallel. If the total resistance is 1403 Q and one of the resistors has a resistance of 2000 Q, then what is the value of the other resistor? O a. 3403 . O b. 1403 e O c. 47000 O d. 2000 Q