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A 500 block is attached to a spring on a horizontal frictionless surface. The block is pulled to stretch the spring 10cm, and then released. a short time later, as the block passes through the equilibrium position, its speed is 1.0m/s. what's the blocks period of oscillation?
Select all possible pairs of communities in which the two fire engines could be located to ensure that all communities can be reached in 30 minutes or less. What is the final site selection from the community pairs
A 29 centimeter long solenoid 1.25 centimeter in diameter is to produce a field of 4.50 mT at its center. Determine how much current should the solenoid carry if it has 990 turns of the wire
The acceleration of gravity is 9.81 m/s2 . Assuming that air resistance is simply a constant 93 N force on the person during the fall, evaluate the person’s velocity just before hitting the net.
A roller-coaster car moves 198 ft horizontally and then rises 143 ft at an angle of 30° above the horizontal. It then travels 143 ft at an angle of 40° downward
Two forces are applied to a block of mass M = 14.0 kg that sits on a horizontal, frictionless table. One force Fs 1 has a magnitude of 10.0 N and is directed at an angle u1 equal to 37.0° from the x direction as labelled in Figure 4-27. As a result o..
Two loudspeakers are placed 3.00 m apart, as shown in the figure. They emit 450 Hz sounds, in phase. A microphone is placed d = 3.00 m distant from a point midway among the two speakers, where an intensity maximum is recorded.
a pop up toy has a mass of 0.020 kg and has a constant of 150 N/M. Find speed of toy after spring isreleased and the toy accells past its equilibrium point
A 25 N force at 60° is required to set a crate into motion on a floor. What is the value of the static friction
The horizontal acceleration of a projectile
With a gauge find the width of one of your fingers, also gauge the distance from the tip of your nose to your finger held upright at arms length. What is the angular size of your finger?
In a chase scene, a movie stuntman is supposed to run right off flat roof of one city building and land on another roof 1.7m lower. If the gap between the buildings is 4.4m wide, how fast must he run.
A 0.07 kg bullet traveling at 602 m/s hits a 7.3 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block
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