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The starship Enterprise speeds by you at a speed of 0.960c. It is measured in your frame to be 100 m long.
a.) what will be its length at rest?
b.) how many seconds would you say elapsed on Data's watch when 100.0 s passed on yours?
c.) how fast did you appear to be traveling according to Data?
d.) how many seconds would he say elapsedon your watch when he say 100.0 pass on his?
Suppose a mangetic field of 7.45 mT is pointing into a piece of paper and then we shoot a small charged metal ball, 4.8 grams and +1.52 uC, What is the magnitude and direction of the force on the particle
How many kilograms of water at 100.0 C could be converted to steam by the addition of 1.13 x 10^7 joules of thermal energy.
A charged particle moving with speed, v, enters a region containing a uniform magnetic field, Starting from Newton's second law, derive the formula for the radius of the particle's orbit in terms of its mass, m, speed, v, and the magnetic field, B
Three balls are constrained to move on the circumference of a circle of radius R. find the characteristic frequencies of the system
a candle is placed at a distance of 15 cm in front of a concave mirror of radius 40 cm. where is the image of the candle
a particle is moving in the xy plane with constant acceleration. at t=0, it has a velocity of v=(4.00i-5.00j) m/s. At t=4.00 s, determine the acceleration of the particle (magnitude and direction)
A uniform board is leaning against a smooth vertical wall. The board is at an angle (theta) above the horizontal ground. Find the smallest value for the angle (theta), such that the lower end of the board does not slide along the ground.
Explain the valve minor loss coefficient and how you would go about determining K.
A sailboat on the ocean has a mast of height 18.5 m. When viewed through a pair of binoculars the mast has an angular size of 0.065 rad. what is the distance between the observer and the sailboat
A racing car travels with a constant tangential speed of 75 m/s around a circular track with a radius 625 m. Find (a) the magnitude of the car's total acceleration and (b) the direction of its total acceleration relative to the radial direction.
A heat pump uses an ideal Carnot cycle to heat a house. The outside air has a temperature of 292 K, What is the coefficient of performance of this heat pump
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles
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