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A 50kg driver sits stopped at a traffic light. Another car rear-ends her and causes her to accelerate at 16m/s^2. It all occurs in 0.25s.
a) What is the impulse given to the driver?
b) What is the average force exerted on the driver and what exerts the force?
e drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half thedistance at 41.0mph, What is her average speed on the return trip
A steel sphere 3.0 cm in diamter has a mass of 0.11 kg. What is the mass of a steel sphere 5.0 cm in diameter
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
A hospital nurse walks 25 m to a patient's room at the end of the hall in 0.50 min. She talks with the patient for 4.0 min, What was the nurse's average speed
A circular loop of wire 66 mm in radius carries a current of 102 A. find the energy density at the center of the loop
A sheet of plywood 1.39 cm thick is used to make a cabinet door 55.5 cm wide by 69.5 cm tall, what is the moment of inertia of the door about the hinges
A tube leads from a 0.150 kg calorimeter to a flask in which water is boiling under atmospheric pressure. Compute the heat of vaporization of water
A 3.50 x 10^2 N child is in a swing that is attached to ropes 1.75 m long. find the gravitational potential energy associated with the child relative to her lowest postion. What is the net charge inside the die.
What is the frequency of blue light that has a wavelength of 450 nm and What is the frequency of red light that has a wavelength of 650 nm
Concept to find certain type of electronic devices & circuits.
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm in simple harmonic motion, with frequency 122 Hz. find the magnitude of the maximum blade acceleration
A 10 kg block of metal is massed on a spring scale in air. What is the desnity of the metal
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