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Consider the system shown in the figure below with m1 = 24.0 kg, m2 = 10.7 kg, R = 0.250 m, and the mass of the pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.40 m above the floor when it is released from rest. The pulley axis is frictionless. The cord is light, does not stretch, and does not slip on the pulley. (a) Calculate the time interval required for m1 to hit the floor. ?t1 = 1 s (b) How would your answer change if the pulley were massless? ?t2 = 2 s
Find the far point of an eye for which a prescribed lens has an optical power of -0.62 d
Consider the H beta line of the Balmer series for hydrogen. Calculate the photon energy for this H beta line
you are on the moon and would like to send a probe into space so that it does not fall back to the surface of the moon. what launch speed do you need
A ping-pong ball of mass 2 gm and traveling with a velocity of 2 m/s collides with stationary tennis ball of mass 10 gm. Calculate the velocity of the ping-pong ball after the collision
Electronics and inhabitants of the International Space Station generate a significant amount of thermal energy that the station must get rid of. How much power is radiated from each panel
a 30 kg child on a sled slides down a frictionless slope angled at 15 degrees with respect to the horizontal. what is the magnitude of the wind force, F, such that the acceleration of the child is 1 m/s^2
A Ferris wheel is moving at an initial angular velocity of 1.0 rev/54s. If the operator then brings it to a stop in3.4min, what is the angular acceleration of the Ferris wheel
A 50 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.50 turns each second. The distance from one hand to the other is 1.5 . Biometric measurements indicate that each hand typically creates ..
A 2.8 V battery is connected to a small light bulb with a resistance of 2.2 ohms. What is the current in the bulb
A proton moves at a speed of 1100 m/s in a direction perpendicular to a magnetic field with a magnitude of 0.80 T
You use an elevator to travel from the first floor (h = 0) to the fifteenth floor of a building (h = 45 m). what is the work done by gravity on you
A 170g mass attached to a horizontal spring oscillates at a frequency of 3.70Hz, Determine Amplitude and Phase Constant
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