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A uniform electric field of magnitude 7.5×10^5 N/C points in the positive x direction.
Find the change in electric potential between the origin and the point (0, 6.0 m ).
A 1.80 kg block slides on a frictionless horizontal surface. The block hits a spring with a speed of 2.00 m/s and compresses it a distance of 11.0 cm before coming to rest. Illustrate what is the force constant of the spring?
Over the course of a multi-stage 4080-km bicycle race, the front wheel of an athlete's bicycle makes 2.00 106 revolutions. How many revolutions would the wheel have made during the race
A 190? resistor is connected to an AC source withE0 = 14V. What is the peak current through the resistor if the emf frequency is 100 Hz
A block of mass m=0.20 kg is attached to a spring with force constatnt k=12.0 N/cm. Determine the decrement of the motion
an office heater puts out 2010 btus british thermal units of energy in the form of heat per hour. given that 1 btu
A vector force F= 6i + 5j N causes a torque on the end of vector distance R= 3i m. Use the cross product to find the resultant torque
A crate of mass 14.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. How much work is done by gravity
A 3000mL flask is initially open to air at 19^C and 1atm pressure. It's then closed and immersed in boiling water. How many moles escape when the air is released
a concave mirror has a focal length of 15.0 cm. An object is placed 18.5 cm in front of the mirror. How tall is the object placed in front of the mirror
A 25,000-kg subway train initially traveling at 10.5 m/s slows to a stop in a station and then stays there long enough for its brakes to cool. The station's dimensions are 67.0 m long by 18.5 m wide by 12.5 m high.
What should be the spring constant of a spring designed to bring a 1500 car to rest from a speed of 80 so that the occupants undergo a maximum acceleration of 5.
The gas is first cooled at constant volume until it reaches its final pressure. It is then allowed to expand at constant pressure until it reaches its final volume. Find the heat absorbed by the gas during this process
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