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Question: A 100.0-kg crate is being pushed across a floor. The net horizontal force on the crate is 36.0N. Starting from rest, the crate is pushed over a distance of 12.4m.
Part A: What is the final speed of the crate?
Please show each step to find the final speed of the crate.
Each of the three helicopter rotor blades shown in Fig. 10-67 is 5.20 m long and has a mass of 195 kg. The rotor is rotating at 228 rev/min. What is the total kinetic energy of rotation
A modern sculpture has a large horizontal spring, with a spring constant of 274 N/m, By how much has the spring stretched
Two positive point charges, each 17?C , lie along the x-axis at x = -0.12m and x = +0.12m . Find the electric field at the point (0, 0.21m)
A grating spectrometer is used to resolve second order peaks from two wavelengths of ?1 = 495.00 nm and ?2 = 495.71 nm. What is the minimum number of slits this grating must have
A commuting student leaves home and drives to school at an average speed of 38.0 km/h. After 25.0 min he realizes that he has forgotten his homework and returns home to get it at the same average speed.
X-rays with a wavelength of 7.02 x 10^-12 m strike a stationary electron and the reflected photon is scattered 75 degrees relative to the incident photon. What is the wavelength of the scattered photon?
A large gate weighing 225 N is supported by hinges at the top and bottom of the wooden frame, and is further supported by a wire. (Assume the positive x-direction is to the right and the y-direction is upward.)
Muonium Muonium is a hydrogen-like atom in which the electron is replaced with a muon, a fundamental particle with a charge of -e and a mass equal to 207me. What is the Bohr radius of muonium
a golfer tees off on level ground giving the ball an initial speed of 46.5 ms and an initial direction of 37.5 degrees
The surface of the Sun has a temperature of about 5,800 K. The radius of the Sun is 6.96 108 m. Calculate the total energy radiated by the Sun each second
Starting from rest, a 99 kilogram fire fighter slides down a fire pole. Estimate how far did he slide down the pole
A spring with spring constant k = 160 N/m is suspended vertically with its upper end fixed to the ceiling and its lower end at position y = 0. Find what are the kinetic energy
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