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An automobile tire has a GAUGE pressure of 200 kPa cold. After being driven on a hot day, the gauge pressure rises to 250kPa. What is the final temperature inside the tire, if it was 10 degree C to begin with atmospheric pressure is 100 kPa.
Bill is flying an airplane with air speed 30.0 m/s. going south. Mike is on the ground and sees the plane traveling 25.0 m/s, 15 degrees east of south. What is the component of the wind's velocity to the north
a bird is flying directly toward a stationary bird-watcher and emits a frequency of 1250 hz. the bird-watcher however
A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope. What is the half-life of the radioisotope
A neon sign utilizes a step-up transformer to run at 6000 V on the 120 V from the wall outlet. how many turns does the secondary coil have
Find the rms speed and the average kinetic energy of a hydrogen atom at a temperature of 3.4x107 K. (At this temperature (3.4 x10^7)
A block of copper with mass 11153 g is lowered by a string into a large pail of water. what would be the tension in the supporting string
Two identical cars (m = 1350 kg) are traveling at the same speed of 28.0 m/s. estimate the magnitude of the total momentum of the two cars
A ballplayer catches a ball 3.3s after throwing it vertically upward. With what speed did he throw it, and what height did it reach
A child looks at his reflection in a spherical Christmas tree ornament 8cm in diameter, and sees his image reduced by half. How long is his face from the ornament.
A 1.2m -long, 900g rope pulls a 9.0kg block of ice across a horizontal, frictionless surface. The block accelerates at 1.0m/s^2, How much force pulls forward on the block of ice
A transformer operating from 79 V (rms supplies a 18.3 V lighting system for a garden. Find the equivalent resistance of the system
An electric field of 120000 N/C points due west at a certain spot. What is the magnitude of force that acts on a charge of -7.8C at this spot.
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