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Starting from rest, a crate of mass is pushed up a frictionless slope of angle by a horizontal force of magnitude.
PART A: Use work and energy to find an expression for the crate's speed when it is at height above the bottom of the slope. Express your answer in terms of the variables m,F , theta , h, and free fall acceleration g.
PART B: Doug uses a 29 horizontal force to push a 3.5 crate up a 1.5 -high, 20 frictionless slope. What is the speed of the crate at the top of the slope? Express your answer to two significant figures and include the appropriate units.
A parallel-plate capacitor in air has circular plates of radius 3.8 cm separated by 1.1 mm. Find the time rate of change of the electric field between the plates
Calculate the magnitude of the electric field at one corner of a square 0.820m on a side if the other three corners are occupied by 6.03×10?6C charges
A skateboarder shoots off a ramp with a velocity of 6.80m/s, directed at an angle of 59° above the horizontal. The end of the ramp is 1.10 m above the ground.
For a damped oscillator with a mass of 240 g, a spring constant 59 N/m and a damping coefficient of 75.00 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 12 cycles.
A flexible chain weighing 37.0 N hangs between two hooks located at the same height. Find the magnitude of the force each hook exerts on the chain
The force on a long wire is a maximum of 6.20 10-2 N when placed between the pole faces of a magnet. What type of magnetic pole is the top pole face
A high-E string on a guitar has a length of 0.635 meters and a mass of 2.51E-4 kg (both of these refer only to the "speaking" section of the string). What is the tension on the string
A tennis ball of mass m(t) is held just above a basketball of mass m(b), With their centers vertically aligned, both are released from rest at the same moment, To what height does the tennis ball rebound
Besides the gravitational force, a 3.25-kg object is subjected to one other constant force. The object starts from rest and in 1.20 s experiences a displacement of (4.10 - 3.30) m, where the direction of is the upward vertical direction. find out ..
You create a plot of T2 (in s2) vs. L (in m) and the linear fit of your graph gives a slope of 3.7084 ± 0.0062. What is the value of the local gravitational constant, g
A geiger-muller tube is a type of gas-filled radiation detector. It can detect particles like X-rays, alpha particles and beta rays (electrons). what is the density of the gas in this geiger tube
The top of the pool table is 0.850 m from the floor. The placement of the tape is such that 0 m is aligned with the edge of the table, calculate his break shot speed
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