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A motorist drives south at 28.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.20 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.20min trip, find the following values:
average velocity and
degree south of west
A diverging lens has a focal length of 15.0cm . For each of two objects located to the left of the lens, determine Wether the image is erect or inverted
An emf is induced in a conducting loop of wire 1.14m long as its shape is changed from square to circular, Find the average magnitude of the induced emf if the change in shape occurs in 4.23s
A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struck by a bat for 0.00200 seconds, Find the average net force of the ball
A pie plate is filled up to the brim with pumpkin pie filling. The pie plate is made of Pyrex and its expansion can be neglected. It is the cylinder with an inside depth of 2.10 cm and an inside diameter of 30 cm.
Two small metallic spheres, each of mass 0.20g, are suspended as pendulums by light strings from a common point.
A 4.47 m long pole stands vertically in a lake having a depth of 2.22 m. while the sun is 62.6 degrees above the horizon, find the length of the pole's shadow on the bottom of the lake.
A block of wood with volume V floats in water with 0.65V submerged. In oil the block floats with 0.84V of its volume submerged
Select ALL the valid statements, i.e., B, AC, BCD. If an equation is dimensionally A) correct, the equation may be correct. B) incorrect, the equation may be correct. C) correct, the equation may be wrong. D) incorrect, the equation must be wrong...
Emilie's potter's wheel rotates with a constant 2.20rad/s2 angular acceleration. What was the angular velocity of the wheel at the beginning of the 3.30s interval
A ceiling fan with 89.00 cm diameter blades is turning at 61rpm. Suppose the fan coasts to a stop 26s after being turned off.
A 1380-kg racecar is driving around a circular track of radius 157 m, What is the magnitude of the net force acting on the vehicle at this time and the force's direction relative to the velocity
A square loop 15.0cm on a side has a resistance of 8.05? . It is initially in a 0.395T magnetic field, Calculate the electric energy dissipated in this process
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