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A car starts from rest and travels for 4.7 s with a uniform acceleration of +1.9 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. The breaks are applied for 2.00 s.
(a) How fast is the car going at the end of the braking period?
(b) How far has the car gone from its start?
Determine the magnitude and coordinate direction angles for the resultant force of the combination of the two forces shown.
A car of mass 2200 kg collides with a truck of mass 4800 kg, and just after the collision the car and truck slide along, stuck together. find the velocity of the stuck-together car and truck just after the collision
the axes of two polarizers make a 71.3 deg angle to one another. what fraction of the light intensity is transmitted
Two isotopes of carbon, carbon-12 and carbon-13, have masses of 1.993 10-26 kg and 2.159 10-26 kg, Determine the spatial separation between the two isotopes after they have traveled through a half-circle
explain how much charge is on each plate. What is the work done by the field on the electron.
What diameter has the tip of the minute hand with 100mil/hr tangential speed? Illustrate what diameter has the tip of the hour hand with 100mil/hr speed?
A plane is flying in the horizontal plane. At time t1 = 0 s with the components of its velocity are vx = 100 m/s and vy = 120 m/s. What was the change in the direction of the velocity
A high energy photon is scattered at an angle of ? =180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
Find the final velocity of the two balls if the ball with velocity v2i = ?21.4 cm/s has a mass equal to half that of the ball with initial velocity v1i = +25.8 cm/s
Power lines have a limit on the maximum size of the electric field they produce. In most states a maximum of 4 kN/C at about 21 m from the wires is allowed. determine how much charge per unit length is on the wire
A cable is used to raise a 29kg urn from an underwater archeological site. There is a 21 N drag force from the water as the urn is raised at a constant speed.
A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 588 N. Determine the weight of the person
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