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An 8.00 g bullet is fired into a 230 g block that is initially at rest at the edge of a table of 1.00 m height. The bullet remains in the block, and after the impact the block lands d = 1.8 m from the bottom of the table. Decide the initial speed of the bullet.
A ball with a radius of 18cm rolls on a level surface, What is the angular speed about the center of mass if the ball rolls without slipping
A jet transport has a weight of 1.25 x 106 Newton and is at rest on the runway. Calculate the normal force exerted by the ground on the front wheel
Each tire on a car has a radius of 0.330 m and is rotating with an angular speed of 15.5 revolutions/s. Find the linear speed v of the car
It is believed that the universe began with a big bang about 17 billion years ago. If the speed of light is 2.99792 × 10^8, what is the maximum possible radius of the observable universe
One component of a magnetic field has a magnitude of 0.070 T and points along the +x axis, Find the magnitude of the net magnetic force that acts on the particle
A kicker punts a football from the very center of the field to the sideline 37 yards downfield. ( a football field is 57 yards wide) What is the direction of the net displacement of the ball
A 23.7 g bullet is shot into a 4706 g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 0.982 m/s. Calculate the velocity of the bullet before striking the block. Amswer in units of m/s.
A generator rotates at 95Hz in a magnetic field of 0.025T . It has 650 turns and produces an rms voltage of 180V, What is the peak current produced
An iron bar 40 cm long is braised to a copper bar 40 cm long and of the same diameter. What is the temperature of the junction point
What will the resultant force
Find what are the factors that affect the resistance of an electrical conductor? If the diameter and length of a wire conductor were both doubled, would the resistance be the same
Unpolarized white light is incident on a polarizer and then falls on an analyzer whose TA (Transmission Axis) makes an angle of ? = 40.4? with the polarizer. What is the fraction of the original light transmitted through both the polarizer and anal..
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