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Question: A 90 kg metal slab is pulled across the ground by a tractor. The coefficient of friction between the slab and the ground is µ = 0.65. If the force of the tractor on the slab is 600 N and is directed at 35° from the horizontal,
Part A: What is the acceleration of the slab?
Please show steps and all work to find the acceleration of the slab.
Two 500 g spheres with equal positive charges are suspended by 10.0 cm long strings in a uniform electric field E = 2.00 x 106 N/C, If the charged spheres are in equilibrium when their strings make angles of 20.0. with the vertical, determine the c..
A solar cell, 3.0cm square, has an output of 350mA at 0.80V when exposed to full sunlight. How many cells do you need to build the panel
Consider a circuit. The three resistors are identical with R1 = R2 = R3= 160 ?, and the battery voltage is 50 V. What is the current through resistor R2?
A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 15.0° above the horizontal. What was the truck's initial speed
A source emits sound uniformly in all directions. A radialline is drawn from this source. On this line, determine the radial positions of two points, 1.28 m apart, such that the intensity level at one point is 2.46 dB greater than that at the other.
a basketball (m= 0.60 kg) is dropped from rest. just before striking the floor the ball has a momentum whose magnitude is 3.1 kg x m/s. at what height was the basketball dropped
The star Betelguese has a radius and surface temperature of about 10^8 miles and 3000K. The sun has a radius and surface temp of about 5x10^5 miles and 6000k. Find the ratio of the power radiated by the sun and Betlguese Psun/Pbet.
A sports car accelerates in third gear from 48.5 km/h to 84.3 km/h in 3.8 s. Determine what is the average acceleration of the car? If the car maintained this acceleration after reaching 84.3 km/h, how fast would it be moving 2.0 seconds later?
A 1 kg mass is moving in a circle of radius 1.8 m on a flat frictionless table at the end of a string. How much work did you do to reduce the radius by a factor of one-half
Two stunt men are going to jump out of a stationary balloon 457 meters off the ground, jumper A will jump first, pulling his parachute at 4 seconds after the jump. Jumper B will jump precisely 20 seconds after jumper A. Jumper B is slightly heavier t..
A total amount of charge Q is non-uniformly distributed within a solid sphere of radius R. The charge per unit volume in the sphere can be written as=k/r, where k is a constant, and r is the radial distance from the center.
A spherical shell of copper with an outer diameter of 19.0 cm floats on fresh water with one third its volume above the water's surface
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