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Question: A 5000 kg truck is parked on a 7.0? slope. How big is the friction force on the truck? Express your answer to two significant figures and include the appropriate units. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
The nucleus of a helium atom contains two protons. In a simple model of this nucleus, What is the electric potential energy of the two protons
Suppose that while moving into an apartment you move a refrigerator into place by sliding it across the floor. What is the least force you could exert on the refrigerator to move it
A wedge of mass M and angle α is resting on africtionless horizontal plane. A rectangular box of mass m is onthe wedge. determine the accelerations of the two bodies
What is the relationship between voltage and energy?More preciesly what is relationship b/w potential diffrence and potential energy
A soft tennis ball is dropped onto a hard floor from a height of 1.60m and rebounds to a height of 1.22m. (Assume that the positive direction is upward.) (a) Calculate its velocity just before it strikes the floor.
A cooling fan is turned off when it is running at 880rev/min . It turns 1000 revolutions before it comes to a stop. What was the fan's angular acceleration, assumed constant
A male skater with a mass of 60 kg pushes a female skater, mass of 45 kg, who then accelerates at a rate of 2.0 m/s^2. At what rate will the male skater accelerate? What is the direction of his acceleration?
Two long, straight, parallel wires are 1 .00 in apart. The wire on the left carries a current I1 of 6.00 A into the plane of the paper. What must the magnitude and direction of the current I2 be for the net field at point P to be zero?
An object is placed 13 cm in front of a concave mirror whose focallength is 17 cm. The object is 3.7 cm tall. Determine(a) the location of the image, taking a real imageas a positive value and a virtual image as a negative value.
If we assume that the wave spreads out evenly with no obstructions, what is the electric field strength at the base unit 100 feet from the phone?
An airtight box has a removable lid of area 1.60 10-2 m2 and negligible weight. What is the magnitude of the force required to pull the lid off the box
A hydrogen atom in the ground state absorbs a 13.06eV photon. find the wavelength of the photon emitted in this quantum jump
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