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In the figure the blue planet has a period of 1 year and an average distance from the sun of 1.6 x 1011 meters. If the average distance from the sun for the red planet is 0.65 x 1011 meters, what is its period to the nearest hundredth of a year?
How many revolutions does the ball make during its fall. Now assume that the ramp is frictionless, so that the ball slides instead of rolling. Through what horizontal distance d does the ball move before landing in this case.
A projectile is launched from a cliff that is 84m tall with an initial speed of 32m/s at an angle of 25 degrees above the horizontal. What is its range? What is its impact velocity? What is the peak height of the projectile? How long will the object ..
in a fourth of july celebration a firecracker is launched from ground level with an initial velocity of 28.6 at 39.1
The center of the spherical metal ball of radius R, carrying a negative charge -Q, is located a distance r from the center of a short, thin, neutral copper wire of length L. The induced charges at the two ends of the wire is ±q. Determine the polariz..
A 0.34 kg meterstick balances at its center. If a necklace is suspended from one end of the stick, the balance point moves 9.5 cm toward that end. find the mass of the necklace
Find out the energy dissipated by friction. Find the coefficient of kinetic friction between the tires and the road.
A uniform solid ball that has a mass of 21.8 g and a radius of 5.1 cm rests on a horizontal surface. What is the angular speed of the ball after impact
A copper-constantan thermocouple generates a voltage of 4.75 x 10-3 volts when the temperature of the hot junction is 110 °C, what is the temperature in degrees Celsius of the hot junction
You push a 69kg box across a floor where the coefficient of kinetic friction is µk = 0.55. The force you exert is horizontal. How much power is needed to push the box
Light of wavelength 590 nm and light of unknown wavelength both pass during two narrow slits 0.600 mm apart. The screen is 1.70 m away. On the screen the second-order bright fringe of the unknown-wavelength light is 1.33 mm closer to the central maxi..
A simple pendulum is 0.21 m long. Att = 0 it is released from rest starting at an angle of13°.Ignore friction. (Use g = 9.8 m/s2.) What will be the angular position of the pendulum at t = 0.65 s? What will be the angular position of the pendulum at t..
A sound wave is travelling trough a fresh water pool with a speed of 1482 m/s. what is the pressure amplitude of the wave
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