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A 2.0 wood block is launched up a wooden ramp that is inclined at a 31 angle. The block's initial speed is 6.0 m/s . The coefficient of kinetic friction of wood on wood is .2. What vertical height does the block reach above its starting point?
A gasoline engine takes in 1.70×10^4J of heat and delivers 3900J of work per cycle. What mass of fuel is burned in each cycle
If the torque required to loosen a nut on the wheel of a car has a magnitude of 33.1 N · m, what minimum force must be exerted by a mechanic
A block of mass 20kg is sliding down an incline plane with no friction. Find the normal force and the acceleration of the object
A popular amusement park ride looks like a huge cylinder of radius 2.3 m, where people stand up along the vertical walls on top of a floor which can drop away. find the minimum rotations per second the cylinder must make
A 1000 ? resistor is joined in series with a 600m H inductance and a 24 Volts battery. What is the time constant of the circuit
Consider an angular motion. If the displacement is given as 250teθ, and the radius r is constant, derive the expressions for the angular velocity θ=ω, angular accelerationα, linear displacements, linear velocitytv, normal accelerationna, and tange..
A cartoon coyote sets out to capture the elusive road-runner by wearing a pair of ACME jet-powered roller skates, which provide a constant horizontal acceleration of 10 m/s^2. The coyote starts off at rest 100 m from the edge of a cliff at the ins..
What is the shortest height a plane mirror must be so that a person who is 1.6 meters tall is able to see his or her whole body? plan a ray diagram to support your answer.
Gas is confined in a tank at a pressure of 9.5 atm and a temperature of 24.5°C. what is the pressure of the gas remaining in the tank
On a clear day the electric field in the atmosphere near the earth's surface is 100 N/C, directed vertically downward. What is the potential at the top of Pike's Peak, 14,110 ft above sea level
find the arrow's initial speed? How long did it take for the arrow to first reach a height of 17.5 m above its launch point.
Player serves a tennis ball 2.2 m above the ground. The ball leaves his racquet with a speed of 56 m/s at an angle 10 degree below the horizontal. what's the ball clea the net
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