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A Mercedes-Benz 300SL (m = 1850 kg) is parked on a road that rises 20° above the horizontal.
(a) What is the magnitude of the normal force?
N
(b) What is the static frictional force that the ground exerts on the tires?
A 3.5 k and a 1.5 k resistor are connected in parallel and this combination is connected in series with a 1.8 k resistor. If each resistor is rated at 1/2 W, what is the highest voltage that can be applied across the whole network.
A second electron directly below it exerts an electrostatic force on the first electron that exactly cancels the gravitational force. What is the distance between the two electron
While a roofer is working on a roof that slants at 39.0 degrees above the horizontal, he accidentally nudges his 93.0 N toolbox, causing it to start sliding downward, starting from rest.
A 190 kg block is pulled at a constant speed of 4.4 m/s across a horizontal floor by an applied force of 138 N directed 37° above the horizontal. Illustrate what is the rate at which the force does work on the block?
What is the average force exerted on the ball. How fast (in ) must a centrifuge rotate if a particle 6.50 from the axis of rotation is to experience an acceleration of 125,000 's.
Two equal forces act on the two different objects, one of which has a mass ten times as large as the other. Will the more massive object have the larger acceleration, an equal accelearation, or a smaller acceleration.
When the afternoon Sun reaches an angle of 27.0° above the horizon, sunlight ceases to illuminate the bottom of the tank. Evaluate how deep is the tank?
A group of hikers hears an echo 5 s after shouting. If the temperature is 16.0°C, how far away is the mountain that reflected the sound wave.
A bullet of mass m = 25 g is fired into a wooden block of mass M = 4.5 kg. The block is attached to a string of length 1.5 m. The bullet is embedded in the block, causing block to then swing.
Find out the magnitude of the acceleration (in m/s2) for an alpha particle in a uniform electric field with a magnitude of 100 N/C
A storage tank contains 21.6 kg of nitrogen (N_2) at an absolute pressure of 3.54 atm. What will the pressure be if the nitrogen is replaced by an equal mass of CO_2 ?
Presume a spherical planet P has a uniform density of 4.72 x 10^3 kg/m^3 and a radius R = 3604km. For a parcel that weighs 64N on the surface of the spherical Earth.
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