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In a physics demonstration, a stationary mass m1 = 0.20kg slides down a frictionless ramp and then collides with a second mass m2 = 0.40 kg. The second mass then travels into a vertical loop with radius r = 0.36m. What is the height H needed so that the second mass completes the loop without leaving the track? Find the height needed if you reverse the masses. (Have the .40 kg mass push the .20 kg mass through the loop)
A 10.0kg stone slides down a snow-covered hill (the figure (Figure 1) ), leaving point A with a speed of 10.0m/s. How far will the stone compress the spring
q1. an iron bolt of mass 63.4 g hangs from a string 32.6 cm long. the top end of the string is fixed. without touching
A solenoid is designed to produce a magnetic field of 2.50×10?2T at its center. It has a radius of 1.60cm and a length of 31.0cm , What total length of wire is required
A shell is fired with a horizontal velocity in the positive x direction from the top of an 80-m high cliff. Determine the initial speed of the shell
A space traveller whose mass is 104kg leaves earth. What are his weight and masson earth and in interplanetary space where there are no near planetary objects.
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.59 x 104 m/s, What is the orbital speed of the second satellite
A hunter aims directly at the target (on the same level) 115 m away. If the bullet leaves the gun at a speed of 205 m/s, by how much will it miss target.
A particle of mass m moves next to the x axis. Its position varies with time according to x=(3m/s^3)t^3-(4m/s^2)t^2.
A small, 100g cart is moving at 1.2 m/s on an air track while it collides with a larger, 1.00kg cart at rest. After the collision, the small cart recoils at .850 m/s. what is the speed of the large cart after the collision.
An incident x-ray photon is scatterted from a free electron that is initailly at rest. What is the magnitude of the electron after its collision
An airplane can be made invisible to radar by coating the plane with a thin layer of an antireflective material. How many dark fringes are observed when 600 nm light illuminates the slides from directly above
A 1.00 cm object is 60.0 cm in front of a diverging lens that has a -30.0 cm focal length. Find the image position and height. Is the image real or virtual? Is the image upright or inverted
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