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A skier (m = 63.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. The height of the launch point on the ski jump is h = 6.40 m and the skier travels a distance D = 10.9 m before reaching the (horizontal) ground. Find the initial height H of the ski jump. Find the skier's total kinetic energy as she reaches the ground.
An observer inside the building notices that it takes 0.15s for the tile to pass her window, whose height is 2.20m. How far above the top of this window is the roof.
evaluate what value of the distance d should a driver locate his car if he wishes to stay on a circular path without depending on friction?
A person's right eye can see objects clearly only if they are between 27cm and 86cm away. What will be the near point with the lens in place
Suppose you pour water into a container until it reaches a depth of 12 cm, What is the pressure at the bottom of the container
A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.590 T over a region of radius 1.40 m, What is the cyclotron frequency
A 22.5 g bullet is fired from a rifle. It takes 2.60 10-3 s for the bullet to travel the length of the barrel, find the average net force exerted on the bullet
A rabbit runs in a straight line with a velocity of +1.6 m/s for a period of time, rests for 9 s, and then runs again along the same line at +0.55m/s for an unknown amount of time. The rabbit travels a total distance of 1116m, and its average spee..
The eyepiece of a refracting telescope (see Fig.34.53 in the textbook) has a focal length of 9.00 cm. What is the angular magnification of the telescope
A planet orbits a star once every 2.99 107 s in a nearly circular orbit of radius 1.51 1011 m. determine the tangential speed of the planet
A race car starts from rest on a circular track of radius 339 m. The car's speed increases at the constant rate of 0.440 m/s2. estimate the speed of the race car
A small loop of wire of radius a lies a distance d from the center of a large loop of radius b. Suppose current I flows in the small loop. Find the flux through the big loop
a -58 nC charge is distributed uniformly along the x-axis from x = -1.3 m to x = 3.4 m. Consider a point at y = 2.2 m on the y-axis. a) what is the x-component of the electric field at the point
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