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As steady force of 2000 N is used for 8 seconds to accelerate a 1500 kg car which was initially going 20m/s.
a.) What impulse was given to the car?
b.) What was the change in momentum of the car?
c.) If the car speeded up. What was the cars final velocity?
Determine the length of a copper wire that has a resistance of 0.172 Ohms and cross-sectional area of 7.85 × 10^-5 m^2. The resistivity of copper is 1.72 × 10^-8 Ohms m
a given capacitor is connected to a 12.0 v battery and when fully charged stores 2.58 x 10-6 j of energy. if the
Then, calculate the exact number of protons and express the answer in scientific notation with the correct number of significant digits.
The velocity component of the particle at x = 8.0 m is 2.8 m/s. Illustrate what is the acceleration component during this time interval?
suppose we place a small explosive charge on one of the bumpers so that it would explode on contact, pushing the 2 cars apart. What will the value of the coefficient restitution have
A rocket is fired straight up and accelerates upward at 12 m/s2 for 18 seconds. The rocket then runs out of fuel and coasts still going up. What is the package's speed when it hits the ground
A heavy sled is being pulled by two people as shown in the figure. The coefficient of static friction between the sled and the ground is ?s = 0.571, and the kinetic friction coefficient is ?k = 0.467. what is the sled\'s acceleration
A screen is placed L = 23.6 cm from a diffraction grating that is illuminated by a laser with wavelength = 683 nm. what is the spacing of the grating
An RLC circuit has a resistance of 300 ohms and an inductance of 20 mH. its oscillation frequency is 5000 Hz. At time t= 0 the current is 20 mA and there is no charge on the capacitor. what is the current after six complete cycles?
A total of 3.04 106 electrons are placed on an initially uncharged wire of length 1.23 m. find the magnitude of the acceleration of a proton
Write a report on the operations and symmetries
We have a typical student microscope with a rotating platform that allows the user to select from three objective lenses. calculate the highest and lowest magnitude of the overall angular magnifications available
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