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A vehicle with a mass of 2200kg moving with an initial speed of 24.6 m/s hits a utility pole and comes to a stop. The front of the car crumples in a length of 1.2 m. How long does it take for the car to stop. What acceleration does the car encounter? What is the impulse and average force that the car encounters upon the collision? Please show all relevant formulas for max rating.
Three negative charges of equal magnitude q are placed along a straight line, Find the electrostatic force on middle (second) charge
If an automobile rounds this curve at 30 {rm m/s}, illustrate what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
A well-insulated 0.0423 µF capacitor is connected across a line carrying a 3.75 kV rms sinusoidal voltage with frequency 680 Hz. What is the impedance of the capacitor
Electrons are accelerated from rest through a potential difference of 350 V and then enter a uniform magnetic field that is perpendicular to the velocity of the electrons. Estimate the period of this circular path
A rectangular coil of wire with an area of 0.218 m2 is situated in a constant magnetic field whose magnitude is 0.450 T, What is the flux through the surface
A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop with a radius of 25 cm. Find the average electrical power dissipated in the process
What should the charge (sign and magnitude) of a particle of mass 1.487 be for it to remain stationary while placed in a downward-directed electric field of magnitude 630.
A lady pushes down on a 35.0 kg crate (constrained to move along a horizontal floor) at an angle of 47.3 degrees to the horizontal with a force of 125N along a frictionless surface. what is the normal force of the surface on the crate
You are holding a 5 kg dumbbell straight out at arm's length. Assuming your arm is 0.62 m long, what torque is the dumbbell exerting on your shoulder
determine the coefficient of static friction between a motorcycle tires and the pavement as he leans to the side in
A 1.83-kg solid sphere (radius = 0.141 m) is released from rest at the top of a ramp and allowed to roll without slipping. What is its rotational kinetic energy
The loaded cab of an elevator has a mass of 1.7 x 103 kg and moves 239 m up the shaft in 19 s at constant speed. At what average rate does the force from the cable do work on the cab.
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