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1) A 68 kg student traveling in a car with a constant velocity has a kinetic energy of 1.4 104 J. What is the speedometer reading of the car in km/h?
km/h
2) A person running a fever has a temperature of 39.6°C. What is this temperature on the Fahrenheit scale?
°F
a 4.0 kilogram cart moving to the right and a 6.0 kilogram cart moving to the left on a horizontal frictionless
A heavy piece of hanging sculpture is suspended by a 90 cm-long, 5.0 g steel wire. When the wind blows hard, What is the mass of the sculpture
An ammeter with an internal resistance of 51.0 ? measures a current of 5.05 mA in a circuit containing a battery and a total resistance of 1390 ?. Determine the actual value of the current
The tension in a string is 20.6 n and its linear density is .649 kg/m. A wave on the string travels in the -x direction. It has amplitude of 3.71 cm and a frequency of 10.6 hz. What are the speed and wavelength of wave.
In alpha particle with a kinetic energy of 0.51 MeV approaches a stationary gold nucleus. What is the speed of the alpha particle?
Three carts of masses m1 = 4.50 kg, m2 = 12.00 kg, and m3 = 3.00 kg move on a frictionless, horizontal track with speeds of v1 = 4.50 m/s to the right, v2 = 3.00 m/s to the right, Find the final velocity of the train of three carts
A ball whose mass is 1.3 kg is suspended from a spring whose stiffness is 3 N/m. Suppose this apparatus were taken to the Moon, where the strength of the gravitational field is only 1/6 of that on Earth. What would the period be on the Moon
A coffee filter of mass 1.1 grams dropped from a height of 1 m reaches the ground with a speed of 0.5 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter? Start from the Energy Principle and select as system..
A circle of rope of total mass 1kg and radius 1m is spinning at angular velocity 2.5 rad/sec about an axis through the center of the circle
You have a 1.3m long copper wire. You want to make an N-turn current loop that generates a 1.0mT magnetic field at the center when the current is 1.2A. What will be the diameter of your coil
q1. a wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. how far will a point on edge of
questionyou are part of a team to help design atrium of a new building. your boss manager of the project wants to
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