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Problem: The top of a small hill has a circular (vertical) cross section with an approximate radius of 57 m. A car going over this hill too fast might leave the ground and thus lose control.
Part A: What speed limit should be posted?
Please show your work, so I can understand process. Thanks!
A resistance R and a 1.5-H inductance are in series across a 60-Hz ac voltage. What is the ac input voltage
The wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find out the magnitude and direction of the net external force on the sailboat.
Small spheres of diameter 0.92 mm fall through 20°C water with a terminal speed of 0.90 cm/s. Calculate the density of the spheres
light of wavelength 600nm is incedent normally on a surface of area 4 cm^2. Determine the power output of the light source
A sinusoidal electromagnetic wave in vacuum delivers energy at an average rate of 5.00 µW/m2. What are the amplitudes of the electric field of this wave
A 1000 kg car pushes a 2000 kg truck that has a dead battery. When the driver steps on the accelerator, What is the magnitude of the force of the car on the truck
In an EM wave traveling west, the B field oscillates vertically and has a frequency of 84.0 kHz and an rms strength of 6.30×10^?9T.
In the Bohr model of the hydrogen atom, what is the de Broglie wavelength for the electron when it is in the n = 2 level
a ball is tossed into the air at a speed of 64.0 m/s at an unknown angle. If the ball is observed to rise to a maximum height of 7.80 m, elucidate at what angle was the ball thrown relative to the ground?
The spaceship Enterprise 1 is moving directly away from earth at a velocity that an earth-based observer measures to be +0.80c. A sister ship, What is the velocity of Enterprise 2
A child's sled has rails that slide with little friction across the snow. Logan has an old wooden sled with heavy iron rails that has a mass of 11 m/s quite a bit for a 27 kg child! Logan runs at 4.0 m/s and leaps onto the stationary sled and hold..
blocks with masses of 1.1 kg 2.03 kg and 2.92 kg are lined up in a row on a frictionless table. all three are pushed
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