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A home run just clears a fence 105 m from home plate. The fence is 4.00 m higher than the height at which the batter struck the ball, and the ball left the bat at a 31.0° angle above the horizontal. At what speed did the ball leave the bat?
A glass flask whose volume is 1000cm3 at a temperature of 0.500?C is completely filled with mercury at the same temperature. compute the coefficient of volume expansion of the glass
In the Biomedical and Physical Sciences building at MSU there are 132 steps from the ground floor to the sixth floor. Each step is 16.6 cm tall. How many food Calories did the person burn during the walk
A 1.30 x10^3kg racecar is driving around a circular track of radius 159 m. What is the magnitude of the net force acting on the vehicle at this time and the force\'s direction relative to the velocity
A 4 kg mass is attached to the end of a horizontal spring on a smooth surface. It is pulled 3 meters away from equilibrium and released. What is the maximum speed of the mass during its motion
A 600g mass is traveling west (positive x-axis) at 8.0 m/s undergoes an inelastic collision with a stationary 250g mass. If the 600g mass travels at an angle of 40 (o) above the x-axis and with a speed of 3 m/s
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. Which rate of rotation gives the greater speed for the ball
A high-voltage transmission line with a resistance of 0.31 omegacap.gif/km carries a current of 1010 A. What is the power loss due to resistance in the line
What is the direction of E for points. find the balls initial speed.
A 473g wood block is given a quick push across a table. During the push it accelerates at a rate of 0.69m/s2, what was the strength of the force used to push the block to start with
A radioactive atom is moving with respect to the laboratory (which is the Earth frame) at the speed of 0.8c in the +x direction. determine the velocity of the electron measured by a laboratory observer
An object starting from rest accelerates with a constant acceleration A(none) for a time T(none) after which it moves at a constant velocity for T1 seconds. what is the total distance the object traveled
What type of weather front will be responsible for the following weather forecast? "Cool today with rain becoming heavy by this afternoon. Slightly warmer tomorrow. "Winds south easterly becoming westerly to north westerly by the tomorrow morning."
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