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If a sprinter running at a speed of 10 m/s could convert his kinetic energy into upward motion, determine how high could he jump?
A figure skater is spinning at a rate of 1.0 rev/s with her armsoutstretched. She then draws her arms in to her chest,reducing her rotational inertia to 67% of its original value. What is her new rate of rotation?
potentiometer used for the determination of internal resistance of a 1.5 v cell. the balance point of the cell in open
De Broglie postulated that the relationship λ= h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron having a kinetic energy of 3.22 MeV?
A 83.0 kg fullback is running at 3.86 m/s to the east and is stopped in 0.760 s by a head-on tackle by a tackler running due west. Calculate the impulse exerted on the fullback.
A horizontal rod 0.200 m long carries a current through a uniform horizontal magnetic field of magnitude 0.067 T that points perpendicular to the rod. what is the current flowing through the rod
A centrifuge in a medical laboratory rotates at an angularspeed of 3450 rev/min. Find the constant angularacceleration of the centrifuge
Unpolarized light with an intensity of 650 W / m2 is incident on a polarizer with an unknown axis. What is the angle between the axes of the polarizers
A 10,000 kg railroad car is rolling at 1.5 m/s when a 4000 kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded
A block of mass m=0.20 kg is attached to a spring with force constatnt k=12.0 N/cm. Determine the decrement of the motion
The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. How many moles are in the gas
A fathom is a method for measuring lengths, usually reserved for measuring the depth of water. what is the distance in fathoms
Determine how fast would a car have to round a turn with a radius of 60 meter for its acceleration to be numerically equal to that of gravity
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