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A railroad flatcar is loaded with crates having a coefficient of static friction of 0.360 with the floor. If the train is moving at 43.0 km/hr, in how short a distance can the train be stopped at a constant deceleration without causing the crates to slide?
Two point charges q and 4q are at x=0 and x=L, respectively, and free to move. A third charge is placed so that the entire three-charge system is in static equilibrium. What is the magnitude of the third charge
A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 4.8N. The buoyant force has a magnitude of 6.5N and acts vertically upward. External force acting on the ball maintains it in the state of res..
suppose you construct a barometer filled with an oil d1.25gcm3 in the vertical tube. if the atmosphere has a pressure
An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal. What is the angle
Explain how will the acceleration due to gravity at the surface of planet X compare to the acceleration due to gravity at the surface of earth?
Find the magnitude of total displacement of the object
Suppose that a particle accelerator is used to move two beams of particles in opposite directions. In a particular region, electrons move to the right at 9350 m/s and protons move to the left at 1.230 × 103 m/s.
A vertical spring with a spring constant of 470N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.8cm in bring..
the dipole moment of the water molecule is 6.17 x 10-30 c.m. consider a water molecule located at the origin whose
A 54.5 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 363 g of water, initially at 21.2°C. What is the final temperature of the water
An athlete on a trampoline leaps straight up into the air with an initial speed of 5.1 m/s, find the speed of the athlete when she is halfway up to her maximum height
The robot HooRU is lost in space, floating around aimlessly, and radiates heat into the depths of the cosmos at the rate of 11.5 W. What is HooRU\'s temperature
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