Physics

Physics, 15.11.2019 06:31, sparky1234

Asports car and a moving van are traveling at a speed of 30 km/h. which vehicle will be easier to stop? why?

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Physics, 09.09.2019 19:30, jessica2138

Avehicle of ‘dry’ mass m0, with no propulsion, is moving without friction on hor- izontal ground. rain is falling vertically. while the rain is falling, for each time interval ∆t, an amount of rain ∆mr = b∆t hits the vehicle, sticks to it, and then moves along with zero relative velocity with respect to the vehicle. the vehicle is observed to be slowing down. in a reference system fixed to the ground, at time t = 0, the cart is initially moving with speed v0. (a) at time t, the vehicle is traveling with speed v(t). for the time interval [t, t+∆t], while the rain is falling, determine a differential relation for the change in speed of the vehicle ∆v. write your answer using some or all of the following: t, ∆t, m0 and b. (b) integrate your result from part (a) to find the speed v(t) of the cart at time t. write your answer using some or all of the following: v0, b, m0 and t.

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Physics, 28.09.2019 17:30, ZacherySpeaks170

A1500 kg vehicle is moving on a dry pavement where the coefficient of friction is 0.80. if the vehicle is traveling at 25 m/s, what minimum distance is required to stop it when the brakes are applied. a. 40 m b. 55 m c. 72 m d. 64 m

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Physics, 15.10.2019 18:00, chargedn2916

Two automobiles of equal mass approach an intersection. one vehicle is traveling with velocity 14.0 m/s toward the east and the other is traveling north with speed v2i. neither driver sees the other. the vehicles collide in the intersection and stick together, leaving parallel skid marks at an angle of 61.5° north of east. determine the initial speed v2i of the northward-moving vehicle.

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Asports car and a moving van are traveling at a speed of 30 km/h. which vehicle will be easier to st...

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