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The racer decides to race against a stock car. Both start from rest. The stock car leaves 1.0 sec before the race car. The stock car moves with a constant acceleration of +3.6 m/s^2. Find the velocities of both cars at the instant they are side by side.
Kathy tests her new sports car by racing with Stan, an experienced racer. Both start from rest, Find the distance she travels before she catches him
A large sponge has forces of magnitude 12 N applied in oppositedirections to two opposite faces of area 42 cm^2. What is theshear modulus of the sponge
At 20.0°C, a mainly silicon resistor has a resistance of 395 ?, and a tungsten resistor has a resistance of 752 ?. At what temperature will their resistances be equal
Gayle runs at a speed of 8.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 23.0 m. What is their speed at the bottom of the hill
A small fan has blades that have a radius of 0.0600 m. When the fan is turned on, the tips of the blades have a tangential acceleration of 19.6 m/s2as the fan comes up to speed
In the notes I stated that a moving charge will have an electric field. This electric field will produce a magnetic field that is out of phase with the electric field. What is the size of the net force that the positive charge will feel
2.0 kg block is attached to a spring with spring constant 22 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46 cm/s.
A motor may be modeled as a series RL circuit. A particular motor operates from an ordinary 60-Hz wall outlet with Erms= 115 V. what is the inductive reactance of the circuit
A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97 g pellet is placed against the compressed and latched spring. To what maximum height (m) will the pellet rise
A 150g ball and a 250g ball are connected by a 34cm long, massless, rigid rod. The balls rotate about their center of mass at 130 . what is the speed of ball of 150 g.
The initial height of the ball is 60.0m and has a potential energy and initial pe of 1176.00, What was the maximum speed after it hit bottom
Example of either positive freedom negative freedom (N). Indicate which each is by circling the Be able to explain your choice.
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