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The 10-kg block B is supported by the 40-kg block A which is pulled up an incline by a constant 500 N force. Neglecting friction between the block and the incline and knowing that block B does not slip on block A, determine the smallest allowable value of the coefficient of static friction between the blocks.
A 2.1x10^3 kg car starts from rest at the top of a driveway that is sloped at an angle of 20.0 degrees with the horizontal. What is the length of the driveway
The student sits on a pivoted stool while holding a weight ineach outstretched hand. The stool rotates about a verticalaxis through its center. Calculate the new angular speed of the system
A 62-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. How fast is the astronaut moving after he throws the mallet
A satellite is found to be in an orbit about Planet X such that the period of the orbit matches the rotational period of the planet about its axis, namely 25.2 days. find at what distance from the center of the planet is the satellite orbiting
If the wavelength of ultrasound in soft tissue is 0.308 millimeter, find what is the frequency producing this wavelength
Consider a protostellar cloud with temperature T=15K and radius R=4000AU. At what wavelength will the cloud emit the most radiation
Consider a common mirage formed by super-heated air just above a roadway. A truck driver whose eyes are 2.00 m above the road, Find the index of refraction of the air just above the road surface
Two passenger trains A and B, each 220 m long, pass a 50 m long railroad platform in Winnepeg. The trains are moving in opposite directions at equal speeds of 0.670c with respect to the ground, What is the difference in arrival times
Tammy leaves the office, drives 64km due north, then turns onto a second highway and continues in a direction of 33 degrees north of east for 79 km. What is her total displacement from the office
Find the direction and magnitude of the net electrostatic force exerted on the point charge q2 in the figure below. Let q = +2.4 µC and d = 35 cm
Somewhere between the Earth and the moon, gravity from these two bodies on the space pod would cancel. Is this location nearer the Earth, the moon, or in the middle (having the same distance between) of the earth and the moon.
The third-order fringe of 650 nm light is observed at an angle of 30°, How far apart are the slits
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