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Heather in her Corvette accelerates at the rate of (3.10i - 2.00j)m/s2, while Jill in her Jaguar accelerates at (1.00i + 3.10j) m/s2. They both start from rest at the origin of a xy coordinate system. Calculate the following after 6.50 s.
(a) Calculate Heather speed with respect to Jill?
(b) Calculate how far apart are Heather and Jill?
(c) Determine the Heather's acceleration relative to Jill?
A missile of mass 1.10 102 kg is fired from a plane of mass 5.10 103 kg initially moving at a speed of 3.50 102 m/s. determine is the final velocity of the plane
a charge of -11.1 micro-coulombs is placed at the origin of a coordinate system. another charge of -12.1 micro-coulombs
Two people carry a heavy electric motor by placing it on a light board 2.60 m long. What is the weight of the motor in this case
A golfer tees off on level ground, giving the ball an initial speed of 38.5 m/s and an initial direction of 36.0° above the horizontal. (a) How far from the golfer does the ball land? (Neglect air resistance.)
Tarzan, with a mass of 80.0 kg, wants to swing across a ravine on a vine, how much kinetic energy (at least) must he have when he jumps off the cliff where he starts
A stroboscopic photo of a club hitting a golf ball, such as the photo shown in the figure below, was made by Harold Edgerton in 1933. find the average force exerted by the club on the ball
A 76-kg man is at rest on ice skates. A 0.24-kg ball is thrown to him. The ball is moving horizontally at 26 m/s just before the man catches it. How fast is the man moving just after he catches the ball
a proton has a speed 4.5*10^5 m/s at a point where electrical potential is 900V. it moves through a point where the electric potential is 500V. find the kenetic energy of proton at first point
A 2.0 cm tall object is placed 15 cm in front of a converging lens with a focal length of magnitude 20 cm. Find the image location and magnification
A 1000.0 kg car traveling at 50.0 miles per hour on a long, What was the average coefficient of sliding friction between the car's tires and the road
The potential energy U(r) between any two atoms, when given as a function of the distance between their centers, do the atoms behavemost like a simple harmonic oscillator
A 2900 kg truck traveling north at38 km/h turns east and accelerates to58 km/h. What is the change in the truck's kinetic energy
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