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Question: A newly discovered planet has twice the mass and three times theradius of the earth. What is the free-fall acceleration at its surface, in terms of the free-fall acceleration g at the surface ofthe earth? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 79.0 dB. What total sound intensity engulfs you
A ski starts from rest and slides down a 28 degree incline 70m long. If the coefficient of friction is 0.090, what is the ski's speed at the base of the incline
The second wire lies along the x axis. Determine the value of yfor the line in the plane of the two wires along which the total magnetic field is zero.
A man stands on a frictionless platform rotating with an initial angular velocity 4.0 rev/min. His arms are out and his rotational inertia is 5.00kg*m2. He pulls in his arms reducing hos rotational inertia to 3.00kg*m^2, what is the initial angular..
At a factory, a noon whistle is sounding with a frequency of 491 Hz. As a car travelling at 78 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
Physicians use a high-frequency (f = 1-5 MHz) sound waves,called ultrasound, to image internal organs. What is the critical agle for sound waves in air incident on muscle
Your nephew swings a rock around his head on a massless string. If the string is 1.5 m long and is 12?degrees from the vertical, what is the period of the rock
The nucleus should fly apart due to the repulsive force. Yet, the nuclei of most atoms are stable explain.
Object O stands on the central axis of a concave spherical mirror, at a distance of 36 cm. The distance between the focal point and the mirror is 47 cm.
It is struck with an average force of 5000 N, which results in a velocity of 37.0 m/s in the opposite direction. How long were the bat and ball in contact?
A thin rod rotates at a constant angular speed. In case A the axis of rotation is perpendicular to the rod at its center. Find what percent uncertainty does this cause for the bat in locating its insect
point charges of -10 microc 1.0 microc and 10 microc are located along the x axis at x -1.0 cm x 0 and x 1.0 cm
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