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A 5-kg block of ice is at a temperature of -27oC. How much heat must be added to the ice to produce 5 kg of liquid water with a final temperature of 35 oC?
A 3.00-kg crate slides down a ramp. The ramp is 1.00 m in length and inclined at an angle of 30.0o. determine the speed of the crate at the bottom of the ramp
An electron with kinetic energy 3.10keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is47.0cm. Find the speed of the electron. Find the magnetic field.
The armature windings of a dc motor have a resistance of7.5? . The motor is connected to a 120-V line, What will be the current in the motor
A 1000 kg car is traveling at a constant speed of 30 m/s, what is the average force applied to the car
The Moon has a sidereal period of 27.3 days. This is not the same as the lunar month, which is the time between successive new moons. Derive an expression for the length of the lunar month
A 2250 kilogram car traveling at 10.0 m/s collides with a car of mass 2750 kilogram that is initially at rest at a stoplight. Obtain coefficient of kinetic friction between cars and road
A car starts from rest and travels 20 m within 4 seconds, in a straight line, at constant acceleration. What is the acceleration of this car
One swimmer in a relay race has a 0.49 s lead and is swimming at a constant speed of 3.97 meter per second. Determine what constant speed must the second swimmer have in order to catch up to the leader at the end of the pool
An object is placed 23.0 cm in front of a thin lens. The image created is 5.00 cm in front of the lens. What is the focal length of the lens
If you use a camera with a lens having a focal length of 85.0mm to take a picture of your friend who is standing 3.90m from the lens, How far from the film is the lens
Assume a load resistor RLoad is placed in parallel with a 12 volt battery and you measure the voltage across this resistor to be 6 volts
Steam at 18 MPa and 600 C is contained in a cylinder of volume 0.5 m^3. Calculate the heat rejcted by the steam
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