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A 2500kg pickup truck is climbing at a constant speed of 18m/s up a road inclined at 10 degrees. The truck is subject to a total drag force of 900N.
a) Find the static friction force between the driving wheels and the ground.
b) Find the power generated by the truck's engine in kW.
two identical guitar strings are prepared such that they have the same length 2.30 m and are under the same amount of
You are flying in a jetliner at an altitude of 29700 ft. How far away is the horizon
A tennis player receives a shot with the ball (0.0600 kilogram) traveling horizontally at 60.0 m/s and returns the shot with the ball traveling horizontally at 32.0 m/s in the opposite direction. Find what work does the racket do on the ball
The magnetic field in this region of space has a component of 0.468 T in the positive y direction, and a component of 0.842 T in the positive y direction. What is the magnitude of the magnetic force on the particle?
Jill ( 60kg) is swinging on a rope swing that is 4m long, at what frequency does Jill need to pump her legs to get the swing going higher
A uniform, solid, spherical asteroid with mass 1.2 multiplied by 1013 kg and radius 1.0 km isrotating with a period of 5.5 hours. Ameteoroid moving in the asteroid's equatorial plane crashes intothe equator at 8.4 km/s.
A circular loop made from a flexible, conducting wire is shrinking. Its radius as a function of time is r = roe-Bt. The loop is perpendicular to a steady uniform magnetic field B. Find an expression for the induced E in the loop at time t.
during test-out procedures a 239pu fueled thermal reactor is operated for a time at a power of 1 mw. the power is then
The Fermi energy of silver at 300 K is 5.48 eV. What is the average energy of a conduction electron in silver at 300 K
The planet Mercury has a mass of 3.3x10^23 kg and a radius of 2440 km. what is your mass on Mercury
A certain heat engine does 12.0 kJ of work and dissipates 8.00 kJ of waste heat in a cyclical process. What was the heat input to this engine
one can not align the apparatus to eliminate entirely the effects of the earths magnetic field. consider the case where
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