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The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car'sacceleration is 5.35 m/s2. If the car's initial speed is 29.7 m/s, how long does it take to stop and how far does it travel, starting from the moment the brakes are applied?
a) time to stop_____sb) stopping distance____m
If a ship loaded when floating in fresh water to a weight of 50,000 metric tons were floated in sea water of specific gravity 1.03, how much additional weight could she take on board without being immersed to a greater extent than in the fresh water?
The plane of a 6.00 cm by 8.00 cm rectangular loop of wire is parallel to a 0.220 T magnetic field, What is the magnetic moment of the loop
There are approximately 120 million TVs in the United States. Each uses, on average, 75 W of power, how much money is spent every day in keeping the TVs turned on
A 67.5 kg person sits on a 3.77 kg chair. Calculate the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed
What is the potential difference between the center of the disk and the edge? (Use the following as necessary: R, B, ?.) [Hint: Think of the disk as a large number of thin wedge-shaped rods. The center of such a rod is at rest, and the outer edge mov..
question1all through a balloon ascension wearing an oxygen mask you calculate the weight of a calibrated 5.50-kg mass
What impulse Ft should be supplied to bring the ball to rest? If the ball is stopped in 0.03 s, what is the average force of the ball on the catcher's hand.
A typical flashlight battery will produce a 0.50-A current for about 3 h before losing its charge. Determine the total number of electrons
Multiple-Concept Example 8 provides useful background for part b of this problem. What is the angular displacement (in rad) of each wheel
a pure sample of atomic gas has atoms with six principal quantum numbers that can yield several emission lines. what is
One kilogram of water is heated from an initial temperature of 283K to a final temperature of 372K. Calculate the change in entropy. Assume the specific heat of water to be 4186 J/kgK. Hint: the amount of heat gained is a function of the temperature.
A 20 kg crate is pushed across the floor at a constant velocity of 4 m/s with a force of 100 N. How much energy is lost to heat in the first ten seconds
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