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Q1. Two 275 kg (611 lb) masses are separated by a distance of 10 m. Using Newton's law of gravitation, find out the magnitude of the gravitational force exerted by one mass on the other.
Q2. A superball and a clay ball are dropped from a height of 10cm above a table top. They have the same mass 0.05kg and the same size. The superball bounces off the table and rises back to the same height. The clay ball sticks to the table. For the superball in the previous question, if it was in contact with the table for 37ms, compute the average force exerted on the ball by the table.
First work out the momentum before and after hitting the table. Don't forget the gravitational force.
What is the total mass of the reagents used in the combustion throughout the 30 days . The ball makes 17 oscillations in 16 seconds. What is it the mass of the ball.
As a function of time t, force component Fx that acts on a 3.00 kg ice block that can move only along the x axis. At t=0, the block is moving in positive direction of the axis, with a speed of 3.0 m/s. what are its (a) speed and (b) direction of trav..
From what height will you have to drop the rock on Earth so that the fall-time on both planets is the same.
A 5.00 x 10^4 kg space probe is travelling at a speed of 14000 m/s through deep space. Retrorockets are fired along the line of motion to decrease the probe's speed. The retrorockets generate a force of 4.00 x 10^5 N over a distance of 2600 km. What ..
If you now place a pencil under the edge of the mirror nearer the wall, tilting it upward by 5.0, how much higher on the wall is the spot?
Describe the full annealing heat treatment for a plain carbon steel.
What is the total flux
The angular momentum of the electron as it moves around the center of the circle is 1.40 × 10-25J•s.Find the radius of the circular path.
Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A bucket of mass 1.50 is whirled in a vertical circle of radius 1.20. At the lowest point of its motion the tension in the rope supporting the bucket is 25.00 N. Find out the speed of the bucket. How fast must the bucket move at the top of the circle..
The coefficient of expansion of iron and zinc
A golf ball with the initial angle of 34° lands exactly 240 m down the range on the level course.
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