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Q1. A 20 g rifle bullet travelling 215 m/s buries itself in a 3.7 kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Find out the horizontal component of the pendulum's displacement.
Q2. When two point charges are a distance R apart, their potential energy is -2.00 .How far (in terms of R) should they be from each other so that their potential energy is -6.00?
A tank contains mercury, whose density is 13,600 kg/m^3. Find the force exerted by the mercury on a circular plug
Your dog is running around the grass in your back yard. He undergoes successive displacements 3.37 m south, 8.45 m northeast, and 13.3 m west. What is the resultant displacement?
A small, 100g cart is moving at 1.2 m/s on an air track while it collides with a larger, 1.00kg cart at rest. After the collision, the small cart recoils at .850 m/s. what is the speed of the large cart after the collision.
Consider three points A,B,C on the x-y plane, where a uniform electric field E = 100(N / C)i exists, Find the potential difference VB -VA and VC-VA
A punter kicks the football. If caught at 1 m above the ground, what horizontal distance will the football travel
A 200 lbs guy wants to slide down a plastic slide 24 ft long and on a 30 degree angle, after that the slide goes horizontally for 6 feet. Taking friction into consideration, how fast would he be going down the slide.
A 4.20kg steel ball strikes a wall with a speed of 7 m/s at an angle of 60° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.20 s, what is the average force exerted by the wall on bal..
Consider a series RLC circuit where R = 957 ? and C = 5.25 ?F. However, the inductance L of the inductor is unknown. To find its value, What is the inductance of the inductor in millihenrys
At t=0, the displacement x(0) of a block attached to a spring is -850 cm. The block's velocity v(0) is then -.920m/s, what is the abgular frequency of this system
The temperatre result in each measurement are listed below, write down the formula for mean and calculate the temperature mean value
A 300-g mass at the end of a Hookean spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above its highest point, Determine the amplitude of vibration
An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are in thermal equilibrium at 10.0°C. Determine the specific heat of the unknown sample
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