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A crate travels 30 m due to a constant force of 350 N. The friction can be neglected for the first 15 m. The coefficient of kinetic friction is 0.30 for the other 15m. What is the final speed of the crate if it weighs 110 kg?
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.10 x 105 m/s. What is the distance of closest approach?
Then the driver sees a red light up ahead at next intersection, and starts slowing down at the constant rate. The car stops at the red light, 180 {rm m} from where it was at t = 0.
An electron is released from rest at x=0 in a region where the electric field is . Find the speed of the electron when x = 2.5 cm
The hot-reservoir temperature of a Carnot engine with 26.0 % efficiency is 70.0 ?C higher than the cold-reservoir temperature. What is the cold reservoir temp
System A consists of a mass attached to a spring with a force constant ; system B has a mass 2 attached to a spring with a force constant ; system C has a mass 3 attached to a spring with a force constant 6; and system D has a mass attached to a s..
0.60mol of argon gas is admitted to an evacuated 70cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C. compute the final pressure of the gas
A homogeneous disk of radius R and mass M rolls without slipping on a horizontal surface and is attracted to a point a distance d below the plane. find the frequency of oscillations around the position of equilibrium
The power is off for 34.0 s and throughout this time the flywheel slows as a result of friction in its axle bearings. Throughout the time the power is off, the flywheel makes 180 complete revolutions.
A torsion pendulum is made from a disk of mass m = 5.7 kg and radius R = 0.67 m, What is the torsion constant of this pendulum
What the max speed of the oscillator?
A 200 mL volume of neon gas is at 1.2 atm of pressure. If it was heated from 250 K to 500 K what is the volume if the pressure is held constant
At t = 0, a particle leaves the origin with the velocity of 9 m/ s in the positively direction and moves in the x y plane with a constant acceleration of (2.0i - 4.0j) m/ s2. At the instant the x coordinate of the particle is 15m, what is the spee..
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