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The minimum stopping distance for a car traveling at a speed of 30 m/s is 60 m, including the distance traveled during the driver's reaction time of 0.52 s. What is the minimum stopping distance for the same car traveling at a speed of 36 m/s?
150 ml of water at 5.00C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 6.00. How much heat energy is exhausted into the room
the speed of an alpha particle is determined to be 3.15times106 ms. if all of its kinetic energy is acquired by passing
A real object is 42.1 cm from a negative lens that has a focal length of 25.6 cm. The object is 2.45 mm high. The height and orientation of the image are
Suppose you are riding a stationary exercise bicycle, and the electronic meter indicates that the wheel is rotating at 12.7 rad/s. how far would you have gone if the bike could move
A person is standing 8 m away from a speaker and experiences an intensity level consistent with the standard pain threshold. what is the power of the speaker
Suppose that the aluminum cup inside a calorimeter has a mass of 48 g and contains 84 g of water. Both the cup and water are initially at a temperature of 5.6 degrees C, what is your best estimate of the specific heat of the aluminum
an alternative method used to determine the mass of the neutron relied on measuring the energy released in the neutrons
A tennis ball of mass m = 0.070 kg and speed v = 25 m/s strikes a wall at a 45° angle and rebounds with the same speed at 45°
consider a 150 ohm and 180 ohm resistor connected in a parallel combination with a 9 volt battery. determine the total resistance of the parallel combination.
A 24kg golden retriever spots a squirrel and gives chase. How much time does it take the dog to go from rest to 10.8 m/s
An ac power generator produces 30 A rms at 3791 V. The voltage is stepped up to 108000V by an ideal transformer, What percentage of the power delivered by the generator
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.90×10^6 N, one at an angle 17.0 degrees west of north, What is the total work done by the two tugboats on the supertanker
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