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In a circus an elderly performer thrills the crowd by catching a canon ball shot at him. The cannon ball has a mass of 50.0 kg and its horizontal component of velocity is 9.50 m/s when the 65.0 kg performer catches it. If the performer is on nearly frictionless roller skates, what is his recoil velocity?
m/s
Car Circles a Track. The 1,000 kg car is moving at the maximum speed it can without skidding off of the 50 m-radius, what is this maximum speed
Compute the magnitude and direction of the total gravitational force exerted on one sphere by the other three.
Sphere 1 with radius R1 has positive charge q. Sphere 2 with radius 8.0R1 is far from sphere 1 and initially uncharged. what fraction of qends up on sphere 1
A box is sliding up an incline that makes an angle of 27.7 ° regarding the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.113. The initial speed of the box at the bottom of the incline is 2.27 m/s...
A parallel plate capacitor has plates 5.0cm by 4.5cm. The plates are seperated by 1.8mm thickness of paper. (dielectric constant=3.7), obtain the energy stored in the capacitor.
What is the electric field strength at midpoint between two disks.What is the electric field strength a point on axis 5.0 cm from one disk between them.
Megan is sitting (at rest) at the top of a slide that is inclined 25o with respect to the horizontal. how much does the thermal energy of the system increase during Megan's trip down the slide
A 0.22kg billiard ball traveling at a speed of 16m/s strikes the side rail of a pool table at an angle of 60?. what is the magnitude of the the change in its momentum
A 2.40-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 740N/m, Find the time for the bullet-block system to come to rest
A person consumes a meal containing 17 kcal. What is the power this meal produces if it is to be "burned off" due to exercise in 6 hours
Neglect air resitance. Find rocket's kinetic energy when the rocket is 1000 km above Earth's surface. Illustrate what is the max heigh that the rocket reaches.
The International Space Station orbits at a distance of 355 km above the surface of the Earth. What is the gravitational acceleration it experiences
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