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The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows with a constant acceleration -5.90 m/s2 for 4.50 s, making straight skid marks 61.0 m long ending at the tree. With what speed does the car then strike the tree?
What is the mass of the liquid in the vat.
The index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), whereas its index of refraction is 1.530, what is the angle of refraction for each wavelength
An 8g bullet is fired at a speed of 216 m/s into a 190 g block that is initially at rest at the edge of a table of 1m height. The bullet fully embeds itself in the block before the bullet-block system launches off the table. How far in the x-direc..
A duck is swimming down a river and passes a slow moving log. what is the ratio of the log\'s mass to the duck\'s mass
question1a sailboat is being propelled westerly by the wind at 4ms. if the current is flowing 2ms to the northeast
Flywheels are large, massive wheels used to store energy. How long does it take the flywheel to reach top speed
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. Explain at what average rate does the force from the cable do work on the cab?
You are riding on a Jet Ski at some angle upstream on a river flowing with a speed of 2.8. Assume the Jet Ski is moving at a speed of 12 relative to the water. At what angle should you point the Jet Ski if your velocity relative to the ground is t..
A skateboarder, starting from rest, rolls down a 12.2-m ramp. When she arrives at the bottom of the ramp her speed is 8.61 m/s. Determine the magnitude of her acceleration, assumed to be constant
What minimum force must be applied to the crate perpendicular to the incline to prevent crate from sliding down the incline.
A concave mirror used by a person who is shaving or applying makeup creates a virtual image of the face that is 1.60 times larger than the person's actual face, Determine the image distance and focal length
q1. a proton moves perpendicular to a uniform magnetic field b at 1.6 multiplied by 107 ms and experiences an
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