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Q. A driver traveling at 44.0 km/h in a school zone can brake to an emergency stop in 2.80 m. What would be the braking distance if the car were traveling at 52.0 km/h?
Q. Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 35 m apart. The train on the left accelerates rightward at 0.91 m/s2. The train on the right accelerates leftward at 0.82 m/s2.How far does the train on the left travel before the front ends of the trains pass?
find the magnitude of her centripetal acceleration. A small box is held in place against a rough vertical wall by someone pushing on it with the force directed upward at 27{rm ^circ} above the horizontal.
A trombone has an effective length of 160 cm and the speed of sound in air is 345 m/s. Notes are selected by moving a U-shaped tube in or out to change effective length of the trombone.
A cube has sides of length = 0.320 . It is placed with one corner at the origin. The electric field is not uniform but is given by -4.95 2.17 .Find out the electric flux through each of the six cube faces.
The distance from the point on the surface of Earth to a point on a surface of the moon is measured by aiming a laser light beam at the reflector on the surface of moon and measuring the time required for the light to make a round trip.
What is an acceleration of the car
A sled starts up an incline of 350 with the horizontal. The sled starts from the bottom with an initial velocity of 5 m/s. (a) How far u p the incline does it go? A second sled starts to slide from the top when the first sled starts to slide down...
Two stationary positive point charges, charge 1 of magnitude 3.45 nC and charge 2 of magnitude 1.50 nC, are separated by a distance of 52 cm. An electron is released from rest at the point midway between the two charges, and it moves along the lin..
An object is held up by two ropes. rope 1 makes an angle of 65 degrees above horizontal and the tension in it is T1 = 26N. rope 2 makes an angle of 32 degrees above horizontal and the object is in equilibrium. what is the tension in rope 2 (T2) an..
What is the direction of proton after the collision? What is the direction of carbon atom after the collision.
if a river flows due east at 1.68m/s. a boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 13.40m/s due north relative to the water. if the river is 178m wide, how far downstream is the boat when i..
What is least amount of work required by an external force
Make a drawing of this situation, and choose the best axes for x and y so that you have the least number of components.)
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