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A 129 kg astronaut (including space suit) acquires a speed of 2.62 m/s by pushing off with his legs from a space capsule having mass 1870 kg.
What is the magnitude of the change in the velocity of the capsule?
charges of 6.0 x 10-7 c are each located at three corners of a square that is 1.0 m on each side. a charge of -1.3 x
A simple pendulum is made from a string that is 0.60m inlength with a mass of 0.2kg attached to the free end. The mass ispulled to one side through a small angle and released fromrest.
A narrow beam of natural light shines onto a flat sheet of polystyrene (np = 1.59) 1.00 cm thick, and it is found that the reflected beam is linearly polarized. At what angle will the transmitted beam leave the sheet on its bottom side?
One object is at rest, and another is moving. The two collide ina one-dimensional, completely inelastic collision. In other words,they stick together after the collision and move off with a commonvelocity. Momentum is conserved.
Consider a spacecraft in an elliptical orbit around the earth. At the low point, or perigee, of its orbit, it is 300km above the earth's surface; What is the period of the spacecraft's orbit
At an amusement park, a swimmer uses a water slide to enterthe main pool. what is her speed at the bottom of the slide
The position of a particle in cm is given by x = (7) cos 10?t, where t is in seconds. What is the amplitude of the particle's motion
1. what is the minimum necessary power output rating of the water pump in watts?2. what is the minimum necessary power
A 40 kg artillery shell was fired from a cannon with an initial speed of 84 m/s at a 45° angle above the ground. How far from the cannon (in m) did the lighter piece land
The string connecting the m1 and the m2 passes over a light frictionless pulley. Given m1 = 1.77 kg, m2 = 7.24 kg, m3=2.23 kg, and g = 9.8 m/s2. The acceleration of gravity is 9.8 m/s2 . Find the downward acceleration of m2 mass.
If the engine absorbs 141.0 kcal of heat from the hot reservoir, how much does it exhaust to the cold reservoir
The mast of a sailboat is supported at the bow and stern by stainless steel wires, the forestay and backstay, Find the tension in the backstay and the force that the mast exerts on the deck
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