Mechanics | Relativity Answers

A hammer thrower is performing a throw. The hammer head is 2m away from the axis of rotation
(radius). During a preparatory phase, he rotates the hammer 4 times (4 revolutions) around the axis of
rotation (body). calculate angular displacement in degrees

You are standing in a hole that is 6.77 m deep. You shoot an arrow with a velocity of 25.9 m/s at an angle of 50o. How far from you will the arrow hit the ground?

A cannon sits atop a hill that is 10.5 m above the field below. The cannon shoots a shell with a velocity of 67 m/s at an angle of 54o. How far from the cannon will the shell hit the ground?

A football place kicker kicks the ball with a velocity of 18.7 m/s at an angle of 37o. How far away from the kicker will the football hit the ground?

A cargo plane is dropping supplies to a group of adventurers crossing Antarctica by dog sled. The plane drops the package when it is directly above the adventurers and at an altitude of 930 m. The dog sled travels at 4.06 m/s and reaches the supplies in 9.09 minutes. What was the speed of the cargo plane?

A stone thrown horizontally from a height of 6.02 m hits the ground at a distance of 13.50 m. Calculate the initial speed of the stone. Neglect air resistance.

Calculate the speed of the stone as it hits the ground. Neglect air resistance.

A man throws a rock horizontally off a building with an initial velocity of 23.1 m/s. It hits the ground 95.6 m from the building. How tall is the building? (Report your answer as a positive value.)

You are standing on the roadway of the Ambassador Bridge. It is 46.3 m above the water below. You throw a rock straight out with a velocity of 10.7 m/s. What is the horizontal distance that the rock will travel before it hits the water?

A plane, starting at some point in its flight, turns and flies 200 mi in a direction of 30º north of east. How much farther north does it end up from where it started its turn?

A box with a mass of 15 kg is pushed up an incline with an angle of 40 degrees, if the coefficient of kinetic friction is 0.35 what force must be applied parallel to the ramp t have the box move up at. 2.3 m/s/s?