Exercise 8.62 A small rocket burns a mass 5.10×10-² kg of fuel per second, ejecting it as a gas with a velocity relative to the rocket of magnitude 1610 m/s. Part A What is the thrust of the rocket? IVE ΑΣΦ F = Submit Previous Answers Request Answer ? N
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- In a head-on, inelastic collision, a 4,000-kg truck going 10 m/s east strikes a 1,000-kg car going 20 m/s west. (a) What is the speed and direction of the wreckage? (b) How much kinetic energy was lost in the Collision?One of the first ion engines on a commercial satellite used Xenon as a propellant and could eject the ionized gas at a rate of 2.98 ✕ 10−6 kg/s with an exhaust speed of 3.04 ✕ 104 m/s. What instantaneous thrust (in N) could the engine provide? (Enter your answer to at least three significant figures. Enter the magnitude.) ?Nh A 6.35 kg bowling ball moving 8.49 m/s strikes a 1.59 kg bowling pin at rest. After, the pin moves 20.1 m/s at a -77.0° angle. What is the y-component of the ball's final velocity? M₁ V1iy + m₂ V2iy = M₁ V1fy + m₂ V2fy Vfy = Vf sin 0 [?] m/s 0=-77.0° Enter
- A Z Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 kg that is traveling horizontally at 10.8 m/s. Olaf's mass is 69.7 kg.( Figure 1) 2 masteringphysics.com/mycitemView?assignment ProblemID=189028758&offset=next W S Figure X command A # 3 20 E D C $ B 4 888 R F I % 5 of V 254 FD T G 6 B Part A 20 If Olaf catches the ball, with what speed ty do Olaf and the ball move afterward? Express your answer numerically in meters per second. View Available Hint(s) Y ▾ Part B H U= 0.167 Submit X Incorrect; Try Again; 5 attempts remaining ty = Submit Provide Feedback MacBook Air 195] ΑΣΦΑ & 7 If the ball hits Olaf and bounces off his chest horizontally at 7.00 m/s in the opposite direction, what is his speed vy after the collision? Express your answer numerically in meters per second. ▸ View Available Hint(s) N IVE] ΑΣΦ Previous Answers F7 U * 8…A small rocket burns 0.0600 kg of fuel per second, ejecting it as a gas with a velocity of magnitude 1500 m/s relative to the rocket. Part A What is the thrust of the rocket? Express your answer in Newtons to three significant figures. F = Submit Part B ΑΣΦ Request Answer ? N Would the rocket operate in outer space, where there is no atmosphere? If so, how would you steer it? Could you brake it? Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remainingPlease answer it within 30 minutes. I will upvote! Problem: The caliber of a certain BB gun is the diameter of the BB sphere in inches. Sphere volume is (4/3) x pi x r3. Copper density is 0.323 pounds/in3. What is the recoil velocity of a 2.25 pound BB gun that fires a 0.177 caliber copper BB at 320 ft/sec?
- OC. 6.46 x 10-13. O d. 146 x 10-11, An oxygen atom and a carbon atom form a carbon monoxide molecule (CO). These atoms are 1.130 x 1.333 times the carbon atom in terms of the mass, that is, m, = 1.333 m.. Calculate the center of mass of the molecule relative to the carbon atom 10-10 m from each other The oxygen atom is O a. 4.53 x 10-6 m b. 5.92 x 104 m OC 6.46 x 10-13 m m O e. 6.46 x 10-11 mObject A approaches object B which is stationary. Velocity of object A is V = 28i + 5j - 3k in m/s. Mass of A = 10 kgs and that of B = 4 kgs. If the impact is perfectly inelastic, 1. Compute the x-component of the velocity after impact a. 28i b. 48i c. 32i d. 20i 2. Compute the z-component of the velocity after impact. a. 4.14k b. 2.14k c. 3.14k d. 5.14kA 3350 kg cannon is mounted so that it can recoil only in the horizontal direction. a. Calculate its recoil velocity in m/s when it fires a 14.0 kg shell at 480 m/s at an angle of 20.0° above the horizontal. (Enter the magnitude.) b. What is the kinetic energy of the cannon in J? This energy is dissipated as heat transfer in shock absorbers that stop its recoil. c. What happens to the vertical component of momentum that is imparted to the cannon when it is fired?
- Y Part A A 30-06 rifle is said to have quite a kick (recoil). An "explosion" of 3600 ft-lb occurs inside the 8-lb rifle firing a 180-grain bullet. Determine the speed of the bullet. 195] ΑΣΦ. 11 Submit Dart D vec Request Answer GWO ? ft/sA. Answer the following questions with a scientific explanation. Use the given linesto answer each item. Supposed that you have to jump from a second story window. Which would you prefer? To jump onto a wood or a concrete surface? Which has a greater momentum, an airplane parked in a hangar or a car going down a hill?b. The drawing shows a sulfur dioxide molecule, SO2. It consists of two oxygen atoms and a sulfuratom. A sulfur atom is twice as massive as an oxygen atom. Using this information and the dataprovided in the drawing, find the center of mass of the sulfur dioxide molecule. Express youranswers in nanometers (1 nm = 10_9 m).