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A 2.60-g lead bullet at 28.0°C is fired at a speed of 230 m/s into a large block of ice at 0°C, in which it becomes embedded. What quantity of ice melts?
Object A, which has been charged to + 16nC , is at the origin. Object B, which has been charged to ? 20nC , is at (x,y)=(0.0cm,2.0cm). What is the magnitude of the electric force on object A
As a spacecraft approaches a planet, the rocket engines on it are fired (turned on) to slow it down so it will go into orbit around the planet. compute how long (in minutes) must the engines be fired
Two narrow slits are illuminated by a laser with a wavelength of 537 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 6.00 cm away from the central bright fringe. Calculate the ..
At T=20degreesC , how long must an open organ pipe be to have a fundamental frequency of 313Hz ? Q 2)If this pipe is filled with helium, what is its fundamental frequency
A pitcher throws a 0.15-kg baseball so that it crosses home plate horizontally with a speed of 20 m/s. The ball is hit straight back at the pitcher with a final speed of 22 m/s. What is the impulse delivered to the ball
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.100 N on the mug, and the cloth is pulled with a constant acceleration of 2.90 m/s2
You drive 96km/h east for 29min , then 76km/h north for 46min . Let the +x-axis point east and the +y-axis north. Find your average speed for the entire trip
An old Chrysler with mass 2300 kg is moving along a straight stretch of road at 89 km/h. How fast (in km/h) is the center of mass of the two cars moving
At time t1 = 16 s, a car with mass 1100 kg is located at m and has momentum kg · m/s. what is the position of the car
A hypodermic syringe contains a medicine with the density of water. The barrel of the syringe has a cross-sectional area of 2.5 x10-5 m2.
In a cyclotron (one type of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 11.0% of the speed of light while moving in a circular path of radius 0.475 m. What magnitude of force is required
What is the amplitude of the oscillations . Could you think of a simple method for determining the focal length of a converging lens.
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