1A.) Suppose the driver on the previous example suddenly steps on the breaks, stopping the car in 3 seconds. Determine the a) acceleration (assuming its constant) and b) distance covered by the race car while braking.   ANSWER ONLY 1A.

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Q: What is the work done by a 16-watt electric fan in 30 minutes? O 28 kJ 31 kJ O 17 kJ 18 kJ

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Q: 1).A car accelerates from rest until it is traveling at 88km/hr. The time to keep up to speed is 6.2…

A: 1)Initial speed (u) = 0 m/sfinal speed (V) = 88 km/hr = 88×518 m/s = 24.44 m/st = 6.2 sec

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A: The equation of position of the body is given as s=10t3+t2-8t+3

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A: Initial velocity of ball = u = 30 m/s upwards Acceleration due to gravity, g = 9.8 m/s² downward

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A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Jane accelerates from 5.0 m/s at 0.90 s into her race to 9.0 m/s at 2.5 s.  A) Determine her…

A: Given data Velocity at t=0.9 sec is , u=5 m/s Velocity at t=2.5 sec is , v=9 m/s

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A: Part a: Given information: The acceleration of the car (a) = 1 m/s2 The time for which it…

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A: If a v-t graph is given then the following things can be obtained using it:The area under the curve…

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Q: 1.) A motor distance travelled 50m/s in 20 seconds. Find the acceleration? 2.) A car accelerates at…

A: acceleration a = (v - u) / t  a = (50 - 0)/ 20 a = 2.5 m/s2

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A: See below

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Q: A bicycle starts from rest and moves at constant acceleration of 4m/s2 to the right. A) How long…

A: Initial velocity (u) = 0 msAcceleration (a) = 4 ms2

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A: Acceleration is the rate of change in velocity. Speedometer reads the instantaneous speed.

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A: Initial velocity (u) = 0 m/s (since the car starts from rest) Final velocity (v) = 30 m/s Time (t) =…

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Q: A particle moves in a straight line with a constant acceleration of 1.45 m/s2 for 6s, zero…

A: first phase : initial position = origin initial velocity = u acceleration = 1.45 ms2time = 6 sec…

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Q: A swimmer pushes off a wall from rest where she has a constant acceleration of 2m/s2 for 1.5…

A: Given: The swimmer moves with a constant acceleration of 2 m/s2 for 1.5 s and then with constant…