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A 10 g bullet traveling at 430m/s strikes a 13kg , 1.1-m-wide door at the edge opposite the hinge. The bullet embeds itself in the door, causing the door to swing open.
1. What is the angular velocity of the door just after impact?
An electric field of 7.90 x10^5 V/m is desired between two parallel plates, each of area 41 cm2 and separated by 2.45 mm of air. What charge should be on each plate.
What is the speed of the cart if the man suddenly starts running to the left with a speed of 9-m/s relative to the cart.
Calculate the vertical component of its velocity by the time it hits the ground
A small ball of 53 grams is suspended from a string of length 86 centimeters and whirled in a circle lying in the horizontal plane. If the string makes and angle of 31 degrees with the vertical, find out the centripetal force experienced by the ball...
The wavelength of the waves in seawater is 4.80 x10-4 m. While the generator is directed downward, an echo reflected from the ocean floor is received 10s later.
The sensor on the torso of a crash-test dummy records the magnitude and direction of the net force acting on dummy. If the dummy is thrown forward with a force of 130-N while simultaneously being hit from the side with a force of 4500N, what force..
A block of wood of mass 2 kg is suspended by long, light strings and is at rest. A bullet of mass 40 g, strikes and remains in the block, causing it to swing. The utmost height of the block above its rest position is 51 cm.
At what height above the surface of the earth does the balloon have a velocity of 8.10 m/s.
Eight lights are connected in parallel to a 110 V source by two leads of total resistance 2.20. If 240 mA flows through each bulb, what is the resistance of each.
A certain freely falling object requires 1.55 s to travel the last 36m before it hits the ground. From what height above the ground did it fall.
Find out the drill's angular acceleration. Determine the angle through which the drill rotates all through this period.
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 55° above horizontal.
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