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A rabbit trying to escape a fox runs north for 8.0 m, darts northwest for 1.0 m, then drops 1.0 m down a hole into its burrow. What is the magnitude of the net displacement of the rabbit?
A snowboarder of mass 82.0 kg (including the snowboard's mass) slides straight down a "double black diamond" hill. The hill is 45 metres in length and inclined at 40° below the horizontal. Determine the work done by the normal force
A vertebra is subjected to a shearing force of 535 N. The shear modulus for vertebrae is 8.00 x 1010 N/m2. Find the shear deformation
A bicycle wheel, of radius 0.31 meter and mass 2 kilogram (concentrated on the rim), is rotating at 4.11 rev/s. Obtain the magnitude of the average torque due to frictional forces
Water of mass 2.00 kg is heated when it is stirred with a paddle that exerts a constant force of 6.50 N on the water and moves during it at a speed of 1.80 m/s. How long will it take for the temperature of the water to increase by 1°C, if all the mec..
Spring loaded gun fires a projectile to a heighten when fired straight up. What max height will the projectile reach when fired at an angle 45° from the vertical
A certain spring mass system is observed to have a period of 2.0sec. What will be the period of this new system
In the Davisson-Germer Experiment, what will be Bragg Scattering angle Φ (first order) for an electrons? beam when scattered / diffracted from the surface of Ni-crystal with atomic- planes spacing D = 0.215 nm and the kinetic energy of the e-beam ..
A wheel is mounted on a stationary axle, which is nearly frictionless so that the wheel turns freely. The wheel has an inner ring with mass 5 kg, how much work do you do
A mass of 3.0 kg is subject to a force F(x) = 8.0 N - (4.0 N/m)x The potential energy of the mass is zero at x = 0. What is the potential energy of the mass at x = 2.0 m?
the rear window of a van is coated with a layer of ice at 0degc. the density of ice is 917 kgm3 and the latent heat of
After reaching its lowest point, the ball begins to rise again, this timeon a frictionless surface. How high does the ballrise on the frictionless side
An astronaut is stuck in space with no fuel for his thrusters. He is 250 m away from his ship and only has a heavy wrench in his possession. How long does it take the astronaut to reach his ship
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