A vehicle is running with uniform acceleration covers 450 m in a 5 second interval and further it covers 700 m in a 10 second interval. The acceleration of the vehicle is
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A vehicle is running with uniform acceleration covers 450 m in a 5 second interval and further it covers 700 m in a 10 second interval. The acceleration of the vehicle is
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- A car moving with uniform acceleration covers T 450 meter in first 5 second interval and covers 700 meters in next 5 second interval. The acceleration of the car isA barge is being towed at 16 m/s when the towline breaks. It continues thereafter in a straight line but slows down at a rate proportional to the square root of its instantaneous velocity. If two minutes after the tow line breaks, the velocity is 9 m/s, how far does it move before coming to rest?A car is traveling along a straight road at a velocity of +27.4 m/s when its engine cuts out. For the next 2.24 seconds, the car slows down, and its average acceleration is . For the next 3.56 seconds, the car slows down further, and its average acceleration is . The velocity of the car at the end of the 5.80-second period is +14.5 m/s. The ratio of the average acceleration values is = 1.91. Find the velocity of the car at the end of the initial 2.24-second interval.
- A car is traveling along a straight road at a velocity of +38.8 m/s when its engine cuts out. For the next 2.01 seconds, the car slows down, and its average acceleration is . For the next 6.36 seconds, the car slows down further, and its average acceleration is . The velocity of the car at the end of the 8.37 second period is +26.6 m/s. The ratio of the average acceleration values is = 1.45. a. Find the velocity of the car at the end of the initial 2.01 second interval.A bus is traveling with a uniform velocity of 20 m/s. At the instant it passes a car at rest, the car starts to accelerate at 4 m/s² in the same direction as the velocity of the bus. (a) After how many seconds will the car overtake the bus? (b) How far will the car travel before overtaking the bus?A car starts from rest at t = 0 s, and speeds up with a constant acceleration of 1.81 m/s2 for 6.00 s. Then it continues with a uniform speed for another 6.00 s. Finally, it speeds up with a constant acceleration of 2.02 m/s2 until it reaches a speed of 18.0 m/s. (a) How long does it take for the car to reach a speed of 18.0 m/s? Time is measured from the beginning at t = 0 (b) What is the total displacement of the car?
- A car starts from rest and travels for 5s with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of –2 m/s2. If the brakes are applied for 3 s, (a) how fast is the car going at the end of the braking period, and (b) how far has the car gone?At a certain time a particle had a velocity of 18 m/s in the positive x-direction, and 2.4 s later its velocity was 30 m/s in the opposite direction. What is the average acceleration of the particle during this 2.4 s interval.A car starts from rest, then accelerates at a constant rate over a distance of 96 m. It then immediately decelerates at a constant rate over a distance of 178 m. The entire trip lasts a total duration of 18.7 s. What were the magnitudes of the car s accelerations for the speedup and slowdown stages respectively?
- A car is traveling along a straight road at a velocity of +33.8 m/s when its engine cuts out. For the next 1.25 seconds, the car slows down, and its average acceleration is a,. For the next 6.49 seconds, the car slows down further, and its average acceleration is a,. The velocity of the car at the end of the 7.74-second period is +24.2 m/s. The ratio of the average acceleration values is a/a, - 1.78. Find the velocity of the car at the end of the initial 1.25-second intervalA driver traveling at night on a country road suddenly sees another car pull out into the roadway in front of him.He slams on his brakes and skids for a distance of 72.9 m until he hits the other car. If the driver slowed with constant acceleration of 4.8m/s² for 4.5 s,with what speed would he hit the other car?An iceboat sails across the surface of a frozen lake with constant acceleration produced by the wind. At a certain instant the boat’s velocity is (6.30 - 8.42 ) m/s. Three seconds later, because of a wind shift, the boat is instantaneously at rest.What is its average acceleration for this 3.00 s interval?