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Q1. You're driving down the highway late one night at 20 ;{rm m/s} when a deer steps onto the road 35;{rm m} in front of you. Your reaction time before stepping on the brakes is 0.50 ;{rm s}, and the maximum deceleration of your car is 10;{rm m}/{rm s}^{2}.
Q2. The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.
if you plot a best-fit line for data on a graph of position vs. time, what units does the lines (vertical) intercept have
A sinusoidal voltage ?v = (100 V) sin (200t) is applied to a series RLC circuit with L = 40 mH, C = 120 ?F, and R = 32 ?. What is the maximum current in the circuit
A force F= (6x - 2y)N acts on a particle that undergoes a displacement delta r= (3x + y)m. find the work done by the force on the particle
An astronaut is traveling in a space vehicle that has a speed of 0.485c relative to Earth. The astronaut measures his pulse rate at 77.5 per minute. What pulse rate does the Earth observer measure
A car race takes place on a long straight track, at the beginning of the race the car accelerates from rest to some top speed with a (constant) acceleration of 1.13 m/s2, What was the top speed reached by the car
A force with a magnitude of 452N is used to bring an object with a mass of 56.0 kg moving at a velocity of 155m/s. How long will it take to bring the object to a full stop.
Your 300 ml cup of coffee is too hot to drink when served at 92C.What is the mass of an ice cube, taken from a -19C freezer, that will cool your coffee to a pleasant 61C.
Compute the coefficient of kinetic friction
A block is released from the top of a frictionless incline plane as pictured above. calculate how fast it is moving at the bottom using Conservation of Energy
A hydrogen atom in the n = 2 state absorbs a photon with wavelength 410nm, Find the change in the atom's potential energy
air traffic controllers usually describe the position of an aircraft relative to the airport by altitude, What are the x, y, and z components (in meters) of hte position vector
What speed must she have at point 3, so that the normal force at the top has the same magnitude as it did at the bottom.
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