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At the airport, you pull a 16 suitcase across the floor with a strap that is at an angle of 41 above the horizontal
Find the normal force.
Find out the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 2 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has the length of l = 3.90 {rm m}.
assume you would enter a vacuum chamber (on Earth), that is, a chamber with no air in it. Inside this chamber, if you dropped a hammer and a feather from the same height at the same time, both would hit the bottom at the same time.
Two point charges, Q1 = -7 and Q2 = 2 are located between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.33m. Assume that the electric field produced by the charged plates is uniform and equal to E = 6..
A banked circular highway curve is designed for traffic moving at 85 km/h. The radius of the curve is 158 m. Traffic is moving along highway at 48 km/h on the rainy day. What is the minimum coefficient of friction between tires and road that would al..
After the engine is ignited, what is the rocket's speed when the spring has stretched 19.00 cm past its natural length? What would be the rockets speed after travelling the distance if it weren't tied down to spring.
A plane leaves the airport in Galisto and flies 165 at 68.0 east of north and then changes direction to fly 230 at 48.0 south of east, after which it makes an immediate emergency landing in a pasture.
A broad beam of light of wavelength 642 nm is incident at 90° on a thin, wedge-shaped film with the index of refraction 1.50. An observer intercepting light transmitted by the film sees 17 bright and 16 dark fringes along the length of the film. B..
There is a uniform magnetic field present, given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vectors along the cartesian coordinate axes') in units of Tesla. Compute the y-component of the magnetic force acting on a segment of wire ..
In what direction should the plane head in order to fly.
How long does it take for the last car to come to rest. When catching a baseball, a catcher's glove moves by 11 cm along the line of motion of the ball. If the baseball exerts a force of 403 N on the glove, how much work is done by the ball.
A three-phase synchronous generator is connected to a step-up transformer T1, which is connected to a 60km long transmission line. As the far end of the line, a step-down transformer bank T2 is connected. The secondary of T2 supplies two loads L..
Determine how many times greater heat loss occurs through a glass window thats 80.0 cm high, 70 cm wide, and 0.300 cm thick (k = 0.791 W/m°C) than a electrical supply line running outside to an exterior mounted light.
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