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Q. A parachutist with a camera, both descending at a speed of 12 m/s, releases that camera at an altitude of 120 m.
(a) How long does it take the camera to reach the ground?
(b) What is the velocity of the camera just before it hits the ground?
What is magnitude of the angular momentum
A flat sheet of crystalline quartz has a thickness of 3.7cm. It is on top of a flat sheet of diamond that has a thickness of 2.6cm. Light strikes the crystalline quartz vertically and travels through it and then through the diamond.
Recently we were padding on a boat in a sea. Surprisingly we saw gleaming points in water during padding. Would you explain about this.
An archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower.
A stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed at an angle θ0 = 66.0° above the horizontal. The stone strikes at A, 5.37 s after launching. Find out (a) height h of the cliff, (b) speed of the stone just before..
The squadron commander has the mandate that the database update should be complete in less than one minute. If the topo database is 20 GB, and link is SONET, what is the minimum standard rate necessary.
In a chase scene, a movie stuntman is supposed to run right off flat roof of one city building and land on another roof 1.7m lower. If the gap between the buildings is 4.4m wide, how fast must he run.
Find out the electric field at radius
How long after being thrown will the balls collide
find the speed of the block as it hits the ground.A 4-kg ball traveling to the right with a speed of 4 m/s collides with a 5-kg ball traveling to the left with a speed of 2 m/s. What is the total momentum of the two balls after they collide.
A string vibrates in five segments to a frequency of 460Hz. (a) what is its fundamental frequency? (b) What frequency will cause it to vibrate in three segments.
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 37 mm and 92 mm. The electric potential of the inner conductor regarding the outer conductor is -574 V.
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