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A block with a mass m= 5.7 kg is pulled up a 29 degree incline with the force of magnitude F = 38N.
A) Find the acceleration of the block if the incline is frictionless.
B) Find the acceleration of the block if the coefficent of kinetic friction between the block and incline is 0.12.
Two 7.0mm×7.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. find the charge before and after the Mylar is withdrawn
A bottle has a mass of 28.60g when empty and 92.15gwhen filled with water. What is the specific gravity of this other fluid
How much work did the movers do (horizontally) pushing a 190-{rm kg} crate 11.2 m across a rough floor without acceleration, if effective coefficient of friction was 0.60.
The model airplane in Figure 5.6 is flying at a speed of 11.6 m/s on a horizontal circle of radius 19.9 m. The mass of the plane is 1.12 kg. What is the net work done on the plane
A device used in radiation therapy for cancer contains 6.20×10-1 g of cobalt 2760Co (59.9333819 u). Determine the activity of the radioactive material
Light of wavelength 600 nm falls on a 0.49 mm wide slit and forms a diffraction pattern on a screen 1.0 m away. Find the position of the first dark band on each side of the central maximum
Electrons in an x-ray tube are accelerated through 105 kV and directed toward a target to produce x-rays. Calculate the power of the electron beam in this tube
Illustrate the security threats that An industry will face when it implements a wireless network. Suppose that the industry occupies the six middle floors
An electron is constrained to the central axis of a ring of charge 1 coulomb and of radius 1 meter. Find the frequency of oscillation of the electron in Hertz
A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2, find the volume flow rate Q of the gas
A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the similar as that of the Moon, 27.3 days. How far away from the Earth m..
A copper telephone wire has essentially no sag between poles 34.00 m apart on a winter day when the temperature is -20°C. How much longer is the wire on a summer day.
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