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An automobile and a truck start from rest at the same instant, withthe automobile initially at some distance behind the truck. The truck has a constant acceleration of 2.04 m/s^2, and the automobile an acceleration of 3.30 m/s^2. The automobile overtakes the truck after the truck has moved a distance 50.0 mA) How much time does it take the automobile to overtake thetruck?B) How far was the automobile behind the truck initially?C) What is the speed of the truck when they are abreast?D) What is the speed of the automobile when they are abreast?
the speed of sound does not depend on the loudness or the frequency of sound. the speed of sound in dry air 0 degree
An asteroid is discovered heading straight toward Earth at 13km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 mins, after which the asteroid is moving at 28 degrees to its original path at a..
A gas expands, changing its volume by +2.12×10-4 m3while at a constant pressure of 4.17×105 Pa. What is the work done by the gas on the surroundings
Two resistors of values 6.0 and 12.0 W are connected in parallel. This combination in turn is hooked in series with a 4.0-W resistor and a 24-V battery. What is the current in the 6-W resistor?
An eagle glides in a diretion parallel to the ground, maintaining a constant velocity of 5.81 m?s^2. What are the new speed and direction
When a 58-g tennis ball is served, it accelerates from rest to a speed of 44 m/s. The impact with the racket gives the ball a constant acceleration over a distance of 38 cm. What is the magnitude of the net force acting on the ball?
An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons
A child in a boat throws a 6.0 kg package out horizontally with a speed of 10m/s. Compute the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 29kg and that of the boat is 55.0 kg. Overlook water ..
the electron in a hydrogen atom is infintely distant at zero potential energy and is at an average radius of a0=.0529 nm when bound by 13.6 eV. find the nearest principal quantum number in this state
Each of the following objects has a radius of 0.174 m and a mass of 2.79 kg, and each rotates about an axis through its center, Find the magnitude of the angular momentum of each object
What was the bullet's flight time. A marble is thrown horizontally with a speed of 11 m/s from the top of a building. When it strikes the ground, the marble has a speed that makes an angle 38° with the horizontal. From what height above the ground..
The coefficients of static and kinetic friction between a 522 N crate and the warehouse floor are 0.715 and 0.420, respectively. A worker gradually increases his horizontal push against this crate until it just begins to move and from then on main..
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