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A race car rounds a curve at 53 m/s. The radius of the curve is 450 m, and the car's mass is 620 kg. (Assume the car's speed remains constant. Take the radially inward direction to be positive. Indicate the direction with the sign of your answer.)
(a) What is the car's (centripetal) acceleration?
(b) What is it in g's?
(c) What is the centripetal force acting on the car?
An object 2.00 cm high is placed 41.0 cm to the left of a converging lens with a focal length of 30.0 cm, Determine the magnification of the final image
a 1.00 x 10^4 kg railroad car is rolling at 6 meters per sec. What is the cars speed just after gravel is loaded
Valerie is able to do 1200 joules of work in 10seconds. Brett is able to do 5000 joules of work in 50 seconds. Who is more powerful.
Three capacitors are connected in series. The equivalent capacitance of this combination is 2.60, What is the third capacitance (in F)
Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. A 60.0-W electric heating element is immersed in an insulated vessel containing 46.5 L of liquid nitrogen at its boiling point. How various kilograms of..
Two circular coils of current-carrying wire have the same magnetic moment. The first coil has a radius of 0.094 m, has 134 turns, and carries a current of 3.8 A
A 75 , 33 long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 12 ball of clay traveling horizontally at 2.6 hits and sticks to the very bottom tip of the rod.
What angle did the hawk make with the horizontal throughout its descent? For how long did the mouse enjoy the free fall.
A resistor is connected across the terminals of a 9 V battery, which delivers 1.27E+5 J of energy to the resistor in 8.00 hours
Suppose the particle has a charge q = 2.6 ?C and is moving with a velocity of magnitude v = 1.2 × 103 m s?1, Draw a diagram to indicate the direction of the force on the particle
A 50.0 gram chunk of ice is taken from a freezer at -20 C, What is the minimum amount of stove energy required
The rope is inclined at 20.30° above the horizontal, and the sledge moves a distance of 20.3 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500.
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