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Man 1 was experimenting with friction and attempting to pull Man 2 across the surface of a floor. Man 1 applies a pulling force of 60 N and Man 2 weighs 103 N.
a. Complete the free body diagram
b. What is the reaction force?
c. Assuming the coefficient of static friction is 0.65, what is the friction force?
d. Does Man 2 move? Why or why not?
Two objects are charged and their centers are separated by 31.6 cm. Object A is charged to 61 nC and object B is charged to 54 nC. What is the magnitude of the electrostatic force between them.
A 599 Hz sound wave travels through a substance. What is the speed of sound in the substance
A golf ball with mass 45.90 g and diameter 42.60 mm is struck such that it is moving with a speed of 53.79 m/s and rotating. What is the rotation frequency of the golf ball
A 1625 kg car, having run out of gas, is at rest on a level surface. If the person applies a force of 765 kg m/s^2 for 8 seconds, how much work did he do on the car
A 20.0kg rock slides on a rough horizontal surface at 5.50 m/s and eventually stops due to friction. What average thermal power (Watts) is produced as the rock stops
A 50 loop circular coil has a radius of 3.0 cm. It is oriented so that the field lines of a uniform magnetic field of magnitude 0.35 T are normal to the area of the coil. Find the average induced emf in the coil
A 95.0 N weight is held in the hand. The upper arm makes an angle of 29.0° with the vertical, and the lower arm is 12.0°above the horizontal
An incident ray strikes a mirror with an angle of 30 degrees to the surface of the mirror. What is the angle of the reflected ray
When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air, At this maximum intensity, what power can be delivered in a cylindrical beam of diameter6.81mm
The 73 kg student balances an 1100 kg elephant on a hydraulic lift. Inside the lift is filled with oil and the diameter of the piston the elephant is standing on is 2.0 m, What is the second student's mass
Consider a tennis ball cannon people use to practice their game: what is the approximate wavelength of these tennis balls
A microscope with a tube length of 200 mm achieves a total magnification of 800x with a 40x objective and a 20x eyepiece. How far is the sample from the objective lens
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