Q: A copper block is removed from 320ºC oven and immediately dropped into 1.75 L of water at 20ºC.in an...
A:
Q: 5 kg ice at –40°C is mixed with 4.5 kg water at 40° C. Then final amount of water in the mixture wil...
A:
Q: In an experimental setup similar to the one of your laboratory class, an unknown solid of mass molid...
A:
Q: The number of radioactive atoms in a sample decay as the emission of radiation proceeds and this may...
A: Let original number of atoms = NoLet the number of atoms present after time "t" = N
Q: q1) A negative charge,q, enters the electric field E as shown in the figure with an initial speed of...
A: Which path does the particle take. given diagram, initial speed of vo Electric field=E Charge nega...
Q: q1
A:
Q: An object goes down a curved ramp. The only forces acting on the object are the force of gravity and...
A:
Q: State the factors on which strength of magnetic field produced by a solenoid depend.
A: The strength of magnetic field produced by a current carrying solenoid depends on the following fac...
Q: What is the velocity of an electron emitted by lithium (work function = 2.90 e.v.) if light with a f...
A:
Q: Elevator Physics a) What is the mass of m1? Given m2=2000kg and acceleration=1.0m/s2 (how is the ans...
A:
Q: Show all working explaining detailly each step. Answer c & d
A: The solution is given below
Q: Show all working explaining detailly each step.
A: Let us calculate the initial angular velocity of the cylindrical rocket. ω0=1 rev2.0 s=0.5 rev/s The...
Q: An inductor of inductance 6.0H and resistance 640 ohms is connected in series to two resistors which...
A: Given: The value of first resistor is R1=640 Ω The inductor has a value of L=6 H. Out of the resisto...
Q: Can someone please help with question 9. Will give thumbs up.
A: The direction of magnetic field on particle by right hand rule is, B→=Bk^ Here, B is the magnitude o...
Q: Show all working explaining detailly each step. Answer Qb
A: Using the principle of conservation of momentum, the initial velocity of the pellet can be calculate...
Q: An airplane is flying with a velocity of 90.0 m/s. When the plane is 114 m directly above a dog that...
A: An airplane is flying with a velocity of 90.0 m/s. When the plane is 114 m directly above a dog that...
Q: A physics class is experimenting with sound waves in the hallway of their school. Student A is holdi...
A: Distance between A and his two friends B and C = 100 m The book is dropped by A on the floor, and th...
Q: A steel tank with an interior volume of 2m3 contains an ideal gas at 300k and 1E5 Pa of pressure (at...
A:
Q: A potter's wheel is spinning with an initial angular velocity of 12 rad/s. It rotates through 14.32 ...
A:
Q: Show all working explaining detailly each step
A: SHM is a type of oscillatory motion
Q: A sodium ion (Na+) moves in the xy-plane with a speed of 2.90 ✕ 103 m/s. If a constant magnetic fiel...
A: REcall F=qVB where q= charge of Na ion. B is magnetic field V is speed
Q: i need help on this question
A:
Q: What’s the slope Rs vs L2/L1? Options are: A) 400 B) 300 C) 200 D) 1/Rx E) 0 What’s the value of R...
A:
Q: A body is thrown vertically upward with an initial velocity of 20.0 m/s.Calculate:a. The maximum hei...
A:
Q: d resistor in ohm is
A:
Q: Show all working explaining detailly each step. Answer Qa & b
A: Newton's law of motion states that if an object is under a net force F, then this force is equal to ...
Q: A rectangular charged plate with dimensions of a=0.1 m and b=0.4m has a charge density of o = 312 µC...
A:
Q: Show all working explaining detailly each step.
A:
Q: What are the Examples of situations in which velocity is the main factor demanding an object momentu...
A:
Q: Light with wavelength of 540 nm is incident on a diffraction grating that has 8500 lines/cm. Calcula...
A: 1. As per the given question ; Light of the wavelength , λ= 540nm Diffraction grating ,N = 8500line...
Q: Show all working explaining detailly each step.
A: In the space if something is orbiting around the earth and maintain its orbit it means it has a cons...
Q: Show all working explaining detailly each step.
A: Gravitational potential
Q: If the refractive index of glass is 1.5, what is speed of light in glass medium?
A:
Q: In the figure below, the current in the long, straight wire is I, = 5.50 A, and the wire lies in the...
A:
Q: A 700 cm X 1360 cm house is built on a 13.2 cm thick concrete slab of thermal conductivity 0.62 W/m....
A:
Q: An electric bulb illuminates a plane surface-The intensity of illumination on the surface at a point...
A:
Q: A student conducts an investigation and connects a multimeter to a circuit. The multimeter produces ...
A:
Q: A positive charge,q, enters the electric field E as shown in the figure with an initial speed of v0 ...
A: Given : A positive charge,q, enters the electric field E as shown in the figure with an initial spee...
Q: 6. A convex (converging) lens has a focal length of 12.5 cm. Where on the lens axis should an object...
A:
Q: Two charges q1 =Q and 92 =3.7Q are separated by a distance d. The electric force between them is equ...
A: SOlution: Given that q1 = Q q2=3.7Q distance =d if charge chage to q1 = 2.03Q New force will be
Q: Show all working explaining detailly each step.
A: The solution is given by
Q: Is strength of magnetic field same at all points inside a solenoid? Give reason to support your answ...
A: The direction of magnetic field lines of straight solenoid is same as bar magnet.
Q: 4. Two blocks connected by a string are pulled across a horizontal surface by a force applied to one...
A:
Q: Find the electric field at a distance of 0.4 m from an infinite length line with a linear charge den...
A:
Q: A 700 cm X 1360 cm house is built on a 13.2 cm thick concrete slab of thermal conductivity 0.62 W/m....
A:
Q: Two moles of ideal helium gas are in a rubber balloon at 30 0 C. The balloon is fully expandable and...
A:
Q: Consider the following figure. (Assume V = 14 V, R1 = 2.3 Ω, and R2 = 1.6 Ω.) Calculate each of the ...
A: V1 = 24 V V2 = 14 V, R1 = 2.3 Ω, R2 = 1.6 Ω To find = I1 , I2 , and I3
Q: Two blocks of different metals are sitting on a steel platform as shown. The blocks are connected by...
A:
Q: A launcher released a ball with an initial velocity of 45 ft/s at an angle β of 27o above the surfac...
A:
Q: Show all working explaining detailly each step.
A:
i need help solving this question
Step by step
Solved in 2 steps with 2 images
- Question 20 A cannon is fired from a hill 133 m high at an angle of 24.8° with respect to the horizontal. If the muzzle velocity is 53.9 m/s, what is the speed of a 4.35-kg cannonball when it hits the ground 133 m below? Answer: m/s Express your answer to 3 significant figures. AnsweA with numerical volue only.A 31.0-kg skateboarder rides on a 10.0-kg skateboard at 5.7 m/s on a level road before jumping into air with a speed of 10.0 m/s against the ground in the direction of 27.0◦ above the forward, horizontal direction to leave the skateboard. Ignore air resistance and the friction between the road and skateboard. What is the maximum height that the skateboarder can reach? (A) 1.05 m; (B) 1.25 m; (C) 1.45 m; (D) 1.65 m; (E) 1.85 m. What is the speed of the skateboard on the ground after the jump? (A) 3.85 m/s; (B) 4.05 m/s; (C) 4.25 m/s; (D) 4.45 m/s; (E) 4.65 m/s. What is the minimum work done by the skateboarder to make the jump? (A) 994J; (B) 974J; (C) 954J; (D) 934J; (E) 914J.A 1500 kgkg car skids to a halt on a wet road where μk = 0.49. How fast was the car traveling if it leaves 70-m-long skid marks?
- For its size, the common flea is one of the most accomplished jumpers in the animal world. A 2.30-mm-long, 0.450 mg flea can reach a height of 20.0 cm in a single leap. If a 76.0 kg, 1.80-m-tall human could jump to the same height compared with his length as the flea jumps compared with its length, what takeoff speed would the person need? Express your answer in meters per second. V = [5] ΑΣΦ Submit Part F Request Answer ? m/s Most humans can jump no more than 60.0 cm from a crouched start. What is the kinetic energy per kilogram of mass at takeoff for such a 76.0 kg person? Express your answer in joules per kilogram.A bird is flying with a speed of 18.0(m)/(s ) over water when it accidentally drops a 2.00 Kg fish. If the altitude of the bird is 5.40 m and friction is ignored, what is the speed of the fish when it hits the water.A 50 kN truck travelling with a speed of 50 kph hits a lamp post and is brought to rest in 0.1 seconds. What is the average force of the truck.
- Math Review Solve the two equations mi + MVi = mf + MVf and i Vi = (f Vf) for (a) f and (b) Vf if m = 2.00 kg, i = 4.00 m/s, M = 3.00 kg, and Vi = 0. (See Section 6.3.)A pitcher claims he can throw a 0.145-kg baseball with as much momentum as a 3.00-kg bullet moving with a speed of 1.50 103 m/s (a) What must the baseballs speed be if the pitchers claim is valid? (b) Which has greater kinetic energy, the ball or the bullet?4. An 8000 kg roller coaster, traveling along the frictionless track shown, has velocity v, = 30 mi/hr at the point shown. a rbiw 2501gs owann woy lood 0 200 b7 = b Anobelor orly uhow ord bni (O B bruo e 101evols n eog nemow gpl 02 AS notlud s 2orlauq bns ası bns ,eS ol viioolov h h/2 St8 291819loosb Sdaug orla bib onud 1edw.21stom E docs ons 2Tooft a'1oq la sri (A A)Given that h = 20 meters is also the horizontal distance between points A and B, make a plot of the potential energy vs. horizontal distance that includes axes with numbers and units.p101 210 B) Make a plot of the kinetic energy of the coaster vs. horizontal distance that includes axes with numbers and units. MOLKS BA pOM wncp wo C) Calculate its velocity at point B. 10 50101 Iemon or 2oob sq noidsrsloosb sru ganuC (a D) With the same initial condition of v, = 30 mi/hr, suppose the track does have friction and by the uctime the coaster reaches point B it has a speed of 15 mi/hr. How much work has the force of friction done…
- A golfer putts a 46 g ball with a speed of 3.0 m/s. Friction exerts a 0.020 N retarding force on the ball, slowing it down. Will her putt reach the hole, 10 m away?I am driving down the street at 11.2 mi/h and suddenly I see a squirrel. I slam on the brakes in 0.62 seconds to avoid hitting the squirrel. Luckily, he got away. With what force in kiloNewtons did the 307 kg car come to a stop? Round to the nearest whole hundredth, and enter the magnitude, which does not include negatives.6. A Out of a station ary 1,000 meters. If speed of 5.0 mls, how muck tronsrerad out of the system? 50.0 kg jumps balloon at height of the para Chutist lands with a eneryy parachu tist of mas was
