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An automobile of mass 1500Kg moving at 25.0 m/s collides with a truck of mass 4500 kg at rest. The bumpers of the two vehicles lock together during the crash. Compare the force exerted by the car on the truck with that of the truck on the car during the collision. Is one force larger than the other or are they equal in magnitude to each other? What is the final velocity of the car and truck just after the collision?
A toboggan approaches a snowy hill moving at 10.9 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.470 and 0.320, Find the acceleration of the toboggan as it is going up the hill
consider three identical metal spheres a b and c. sphere a carries a charge of 4q. sphere b carries a charge of -7q.
In exercise physiology studies, it is sometimes important to determine the location of a person's center of gravity. How far from the woman's feet is her center of gravity
the size of the hydrogen atom grows in proportion to n2 where n is the principal quantum number. for the atom in the n
A mass of 1.0 kg is dropped from a height of 8.0 m above the top of a spring of constant k=200 N/m mounted vertically on the floor. Find the springs maximum compression
Two objects with masses represented by m1 and m2 are moving such that their combined total momentum has a magnitude of 16.3 kg · m/s, Determine the mass of each object
A person eats a dessert that contains 230 kcal. The skin temperature of this individual is 36° C and that of her environment is 21° C. The emissivity of her skin is 0.85 and its surface area is 1.3 m2. How much time would it take for her to emit the ..
The temperature of an ideal gas is increased from 110degreesCelcius to 360degrees C while the volume and the number of molesstay constant. By what factor does the pressure change
A solenoid of radius 2.4 cm has 420 turns and a length of 16 cm. Find the rate at which current must change
The parallel metal plate of a capacitor is seperated by a distance of 0.5cm and is connected to a 90v battery. Find an electric field between them and the surface charge density.
Three identical train cars, coupled together, are rolling east at speed . A fourth car traveling east at 2 catches up with the three and couples to make a four-car train. What is the speed of the five-car train
A point rotates about the origin in the xy plane at a constant radius of 0.114 m and angular velocity of 7.40 rad/s. What is the amplitude of this motion
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