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Problem: A car can go from 0 to 100 mph in 5.2 s. (Assume the car travels in the positive direction. Indicate the direction with the sign of your answer.)
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Question 1: What is the car's average acceleration. The same car can come to a complete stop from 26 m/s in 4.9 s.
Question 2: What is its average acceleration?
A physics instructor drives down to St. Louis to see his mom. On the way there, he travels the first half of the time at 60.0 km/hr and the second half the time at 95.0 km/hr. What is his total displacment during the entire trip
Two identical long wires of radius a = 1.72 mm are parallel and carry identical currentsin opposite directions. Their center-to-center separation isd = 14.6 cm. Neglect the fluxwith in the wires but consider the flux in the region between the wire..
The potential dissimilarity between the plates of a capacitor is 220 V. Midway between the plates; an electron and a proton are released. The electron is released from rest. The proton is projected perpendicularly toward the negative plate with an in..
When you drop a rock into a well you hear the splash 1.0 seconds later. How deep is the well
The density of ice is 917 kg/m3 and the density of sea water is 1025 kg/m3. A swimming polar bear climbs onto a piece of floating ice that has a volume of 5.2m3. What is weight of the heaviest bear that the ice can support without sinking complete..
A sky diver of mass 60 kilogram can slow herself to a constant speed of 93 km/h by orienting her body horizontally, Find what is her acceleration at the instant she achieves the "knife" position
a 50 turn square coil has an area 15.0 cm2 and is rotated with an angular speed of 80.0 rads in a uniform 0.40 t
A 500 uF capacitor is charged to 290 V. Then a wire is connected between the plates. How many joules of thermal energy are produced
a 2.5-kg particle oscillates on a spring with spring constant 85 nm. at time t 1.0s the particle is at maximum
A 122 m long piece of wire is connected to a 4.9 V battery. Obtain the magnitude of the current (in Amperes) flowing through the wire
How fast (as a percentage of light speed) would a star have to be moving so that the frequency of the light we receive from it is 14.0 % higher than the frequency of the light it is emitting?
By the time the cab reached the first floor, the cab is falling at 5 m/s, at that moment, when the cab's bottom is a distance d = 4 m above a spring with spring constant k = 5x105 N/m, a safety device is activated which clamps the cab against the..
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