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At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 1.8 m/s2. At the same instant a truck is 11.1 m down the road and traveling with a constant speed of 8.5 m/s.
(a) How far beyond the traffic signal will the automobile overtake the truck?
(b) How fast will the automobile be traveling at that instant?
A 1500 kg car is headed directly for a brick wall when the driver realizes the danger and slams on the brakes. The car's initial speed is 32 m/s, Determine how far the car travels while skidding to a stop
a fighter plan flying at 378 ms at an altitude of 160 m during a training mission releases a projectile when he starts
A statue is found in an Archaelogical dig. Its weight is measured to be 96 lb and its volume 0.08ft3. What is the statues weight density
A mountain climber stands at the top of a 52.8m cliff hanging over a calm pool of wat. Find the velocity of the first stone at the instant both stones hit the water
A rifle bullet of mass m = 0.03 kg traveling at vb = 240 m/s collides with and embeds itself in a pendulum of mass M = 2.88 kg, How high does the pendulum-bullet combination rise after the collision
A simple pendulum is made from a 0.739-m-long string and a small ball attached to its free end. how much time elapses before it attains its greatest speed
A dentist's drill starts from rest. After 3.20 s of constant angular acceleration it turns at a rate of 2.3 104 rev/min. Find the drill's angular acceleration
A bicyclist is sitting on her bike on the side of the road when she sees her friend riding up behind her on his bike at a constant speed of 6.9 m/s. How long does it take her to catch up with him
When released, the textbook slides on a horizontal tabletop with coefficient of kinetic friction k = 0.30. Use the work-energy theorem to find out how far the textbook moves from its initial position before coming to rest.
A hydrogen atom is in the n = 22 state. Use the Bohr model of the hydrogen atom, find the potential energy of the atom
a spring of stiffiness k supports a box of mass M in which is placed a blokk of mass m. find the force of reaction between the blook and the box
Andy and Brad are lifting a 100 kg box to their apartment window using massless ropes. The ropes are tied to the same point on the box, Find the tensions in each rope.
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