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When the brakes of a car are applied a deceleration of 6 meters per second squared is produced How much time will it take to bring the car to a halt from an initial speed of 110 kilometers per hour?
Wiki User
∙ 12y ago
Divide 110 km hr-1 by 3600 to s hour-1 get 30.6 m s-1. This is needed to get the car's speed in the same units as the deceleration. Now, divide 30.6 m s-1 by 6 m s-2 to get 5.1 s. That is how long it will take to stop the car.
Wiki User
∙ 12y ago
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What is the state where the initial sound produced?
Resonation
If a car moving at an initial velocity of 19 meters per sec has a stopping distance of 31 meters what is the magnitude of its acceleration?
Average speed during the deceleration is 1/2(19 + 0) = 9.5 meters per second.Time of deceleration is (31 / 9.5) seconds.Magnitude of deceleration is (change of speed) / (deceleration time) = 19 / (31/9.5) = (19 x 9.5) / 31 = 5.823 m/s2(The acceleration is the negative of this number.)
What is term declaration in physics?
Quite simple if you understand acceleration. Acceleration is the rate of change of velocity with time, which in simple terms means speeding up. The faster you speed up, the greater your acceleration. Deceleration is negative accelration, ie slowing down. Mathematically, acceleration = (final velocity - initial velocity) / (final time - initial time) and deceleration is acceleration with a minus sign at the start.
What is the relationship between skid length and the initial velocity of a car help answer this theorotically not in formula thnkx?
In a car the maximum acceleration (deceleration) caused by breaks is about 1 g. Thus the faster the initial speed, then the greater the time AND distance needed to come to a stop will be required.
What does retardation mean in physics?
Retardation means deceleration or the negativity to speed. It's synonyms Disintegrate, Prejudice, Destruct etc. The formula of retardation is V - U/ T where V is the final position U is the initial motion and T is the time taken by object.
How do you calculate brake pedal force and deceleration?
when breaks are applied for moving car whose velocity will be decreases and finally car will be at rest position acceleration = (final velocity - initial velocity)/time taken = (0-u)/t = -(u/t) negative acceleration is called deceleration deceleration = - acceleration chennakesavarao@itimes.com
What is the meaning and formula for deceleration?
Deceleration is the rate of decrease of velocity with respect to time. It is the negative of acceleration. The formula for deceleration is the same as that of acceleration, only that the acceleration is represented as negative. The formula is: - (deceleration) = (final velocity) - (initial velocity) time Therefore, (deceleration) = (initial velocity) - (final velocity) time
What is the initial velocity of the car?
The speed of the vehicle before deceleration or braking.
When final velocity is less than initial velocity is an example of?
Deceleration (or negative acceleration).
How do you calculate deseleleration?
Deceleration (not deseleration) is the negative rate of change of velocity over time. Acceleration is [Final velocity - Initial Velocity]/Time. If the final velocity is less than the initial velocity, then the above quantity is negative and is termed deceleration. The instantaneous deceleration is dV/dt, the derivative of the velocity with respect to time. Sometime acceleration and deceleration are defined in terms of speed rather than velocity. This is not correct since it is inconsistent with the laws of motion.
What is the state where the initial sound produced?
Resonation
If a car moving at an initial velocity of 19 meters per sec has a stopping distance of 31 meters what is the magnitude of its acceleration?
Average speed during the deceleration is 1/2(19 + 0) = 9.5 meters per second.Time of deceleration is (31 / 9.5) seconds.Magnitude of deceleration is (change of speed) / (deceleration time) = 19 / (31/9.5) = (19 x 9.5) / 31 = 5.823 m/s2(The acceleration is the negative of this number.)
What is term declaration in physics?
Quite simple if you understand acceleration. Acceleration is the rate of change of velocity with time, which in simple terms means speeding up. The faster you speed up, the greater your acceleration. Deceleration is negative accelration, ie slowing down. Mathematically, acceleration = (final velocity - initial velocity) / (final time - initial time) and deceleration is acceleration with a minus sign at the start.
What is the relationship between skid length and the initial velocity of a car help answer this theorotically not in formula thnkx?
In a car the maximum acceleration (deceleration) caused by breaks is about 1 g. Thus the faster the initial speed, then the greater the time AND distance needed to come to a stop will be required.
What is the speed of a spacecraft?
To orbit the Earth, a speed of 7.9 kilometers/second is required. To escape Earth's gravity, an initial speed of 11.2 kilometers/second is required. To travel to distant planets, the initial speed must be still higher.
The brakes of a car are applied when it is moving at 100km per hour and provide a constant deceleration of 10 meters per second per second. how far does the car travel before coming to a stop?
Let us first analyse the question. The car is travelling at some speed. And it has to stop. What distance will it cover before it stops?Firstly, it is travelling at a speed of 100 kilometers per hour. And the deceleration provided is given in meters per second. So, let us convert all the data into same terms.that is, 100 kmph = 100*1000 meters per hourSo, it is travelling 100,000 metres in one hour. And one hour has 3600 secs.Hence the car is travelling 100000/3600 meters in ONE secondthat is 27.77778 or approx = 27.8 meters/second.Or simply, 100 km/hr = (100*5/18) mts/sec = 27.8 mts/secNow, we have a formula to calculate the distance covered, acceleration and deceleration provided and the initial and final speeds.v2-u2 = 2*a*s ,a is acceleration/deceleration, s is distance, v is final speed, u is initial speed.In this case, final speed is zero and deceleration = negative acceleration02-(27.8)2 = 2*(-10)*s-20*s = - (27.8*27.8)s = 38.642 metersHence the car travels a distance of 38.642 metres before it comes to a stop.
An automobile breaks to a stop from an initial speed of 14 meters per second in 7 seconds what is the deceleration?
(0-14)/7-14/7-2ACELERATION= -2m/sDECELERATION=2m/s
