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The position versus time graph for a red blood cell leaving the heart is shown in the figure below. Determine the instantaneous velocity of the red blood cell when t = 13 ms. Recall, 1 ms = 0.001 s, 1 mm = 0.001 m. 1 m/s
A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. What is the speed of the arrow
A 2800 kilogram Ferris wheel accelerates from rest to an angular speed of 0.17 rad/s in 11 second. Obtain what is the net torque on the wheel
Express this pressure in pascals, in atmospheres, and in millimeters of mercury.
A 1.80 m length of wire is held in an east-west direction and moves horizontally to the north with a speed of 15.3 m/s. The vertical component of Earth's magnetic field in this region is 40.0 µT directed downward. Calculate the induced emf between th..
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.00 m/s2. What's the puck's new acceleration down the ramp
A car starts at a position of x=2km and has a speed of 1 mph. After 56 s thecar has a speed of 44 mph. Determine the magnitude of the car's average acceleration during this time.
Lasers are used extensively in eye surgery to remove unwanted "material" from the eye or reshape the eye's lens. What is the power during one of these pulses
Assume you have a clock that is winding down. A force-free particle will no longer appear to move with constant velocity. Find the direction of the apparent force involved
Four residents of the building take showers at the same time, and each receives heated water at a volume flow rate of 16x10-5 m3/s. If the water going into the heater has a temperature of 18oC, what is the maximum possible temperature of the hot wa..
The motor of a table saw is rotating 3450 rev/min. A pulley attached to the motor shaft drives a second puller of half the diameter by means of a V-belt. Estimate the radial acceleration of points on the outer edge of the blade to see why sawdust d..
Draw a free-body diagram for the instrument during this time.(Assume that the space ship is accelerating upward. ) Find the force that the wire exerts on the instrument.
suppose a sample of 1 mole of a diatomic ideal gas at 1 atm and 20 degrees C is ADIABATICALLY expanded to 5 times its original volume. how much work did the gas do on the environment
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