How fast is he moving once he reaches the ground
A 77.9-kg fireman slides down a 4.13-m pole by applying a frictional force of 343 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches the ground?
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A tennis ball (m = 59 g) is projected vertically with an initial speed of 9.7 m/s. (a) If the ball rises to a maximum height of 3.1 m, how much kinetic energy was dissipated by the drag force of air resistance? (b) How much higher would the ball h
What are the three events that led up to the Kushite conquest of egypt?
How does due process protect the accused against abuses by the federal government?
Sketch an x-t graph of the motion of both vehicles. Take x=0 at theintersection. sketch a vx-t graph of the motion of bothvehicles.
A 2.1 x 10^3 kg car starts from rest at the top of a driveway that's sloped at an angle of 20.0 degrees with the horizontal. An avg. friction force of 4.0 x 10^3 impedes the cars motion so that the cars speed at the bottom of the driveway is 3.8m/
What is the magnitude of the net torque exerted on the branch by the children? Assume that the axis is located where the branch joins the tree trunk and is perpendicular to the plane formed by the branch and the trunk.
A 500 turn solenoid, 25 cm long, has a diameter of 2.8 cm. A 10 turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 5.0 A in 0.57 s, what will be the induced emf magnitude in t
Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 3.0 105 N over a distance of 2600 km. What is the final speed of the probe?
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