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A 75 kilogram astronaut is space walking outside the space shuttle and pushes a 400 kilogram satellite away from the shuttle at 1.5 m/s. Find the resulting speed of the astronaut back towards the shuttle?
a 3 kg block slides with a speed of 1.1 ms on a frictionless horizontal surface until it encounters a spring.a. if the
A 22.0-caliber rifle bullet of mass 1.80 grams, traveling at 340m/s, strikes a block of soft wood, which it penetrates to a depth of 0.100 meters. The block of wood is clamped in place and doesn't move. Assume a constant retarding force. What force, ..
A certain brand of hotdog cooker works by applying a potential difference of 142 V across opposite ends of a hot dog and allowing it to cook by means of the thermal energy produced.How much electrical energy is transferred to thermal energy.
The maximum transverse acceleration of a point at the middle of the segment is 8800 m/s^2 and the maximum transverse velocity is 3.50m/s.
Looking out the window of a train you observe the passengers on a second train moving in the opposite direction at a constant velocity. determines which of the two trains is actually moving
A microwave oven with microwaves 12.2 cm long has a power output of 760 Watts. Find the number of photons emitted per second
A proton accelerates from rest in a uniform electric field of 640N/C. At some later time, its speed is 1.20 X 10e6 m/s. What is its kinetic energy at the later time
A 13.5?F capacitor is connected to a power supply that keeps a constant potential difference of 26.0V across the plates. How much energy is stored in the capacitor before the dielectric is inserted
A solid sphere of mass 4.0 kg and radius 0.12 m starts from rest at the top of a ramp inclined 15' degree and rolls to the bottom. What is the linear speed of the sphere when it reaches the bottom of the ramp
The position of an object as a function of time is given by x = bt2 - ct, where b = 2.0 m/s2 and c = 6.7 m/s, What is the instantaneous velocity of the object
an electric dipole p of magnitude 25 p c bull m makes an angle of 65ordm with a uniform electric field e of magnitude
a thin rod, of length L = 0.80 m and negligible mass that can pivot about one end to rotate in a vertical circle. what is the change in the gravitational potential energy of the ball-Earth system
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