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A particular motor can provide a maximum of 110.0 N • m of torque. Assuming that all of this torque is used to accelerate a solid, uniform flywheel of mass 10.0 kg and radius 3.00 m, how long will it take for the flywheel to accelerate from rest to 8.13 rad/s? What angle will it rotate through to do this?
A child in a boat throws a 3.50 kg package out horizontally with a speed of 15m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25kg and that of the boat is 70kg. Ignore water re..
The bullet remains embedded in the block, which is observed to slide a distance 0.280 m along the surface before stopping. What was the initial speed of the bullet?
An ambulance is generating a siren sound at a frequency of 2,400 Hz. The velocity of sound is 345.0 m/s. find the frequency of the siren perceived by the observer
Three equal positive charges Q are each fixed at a corner of an equiliateral triangle of side length a, Draw a diagram showing the individual electric field vectors due to each charge at the triangle's center
A 6 m long 50 kg ladder leaning on a frictionless wall can successfully be scaled by a 120 kg man. What is the minimum angle between the ladder and the floor
When a clock reads 5 seconds a cart's velocity in the positive x direction is 3 m/s. What is the magnitude (in m/s2) of the acceleration of the cart
A lens is formed from a plastic material that has an index of refraction of 1.55. If the radius of curvature of one surface is 1.25 m, calculate the focal length and the power of the lens.
A particle of mass 4.75 kg moves from rest at t = 0 under the influence of a single force of magnitude 50.0 N. Calculate the power delivered by the force at time t = 3.40 s
A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second2 to a full stop
Steam enters a turbine with a velocity 120 m/s at 600°C and 6000 kPa. The steam leaves the turbine as saturated vapor at 200 kPa with a velocity of 180 m/s. Heat is transferred from the turbine to the surroundings in the amount of 30 kJ for every ..
4 moles of an ideal gas have an initial temperature of 127 C. The temperature of the gas is kept constant and the volume is increases until the pressure drops to 40.0% of its original value. Calculate the heat added to the gas
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
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