Physics, 23.08.2021 07:00 yourmumsanoodle

A) A car accelerates uniformly at 3.7 m s⁻² as it passes a stationary road train. The initial speed of the car is 30 m s⁻¹, and it reaches the speed limit of 130 km h⁻¹ as it passes the front of the cab. Calculate the length of the road train. Give your answer to 3 significant figures. include units in your answer. b) The braking distance of a road train travelling at 15 m s⁻¹ is 70 m. Assuming that the same deceleration is applied at all speeds, calculate the braking distance of a road train travelling at 25 m s⁻¹

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:10, shazanah95

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

Answers: 1

continue

Physics, 21.06.2019 22:30, franvelpaulino2191

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Answers: 3

continue

Physics, 22.06.2019 11:30, jessecabrown1

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Answers: 1

continue

Physics, 22.06.2019 18:40, mckennacwilliams

Smallest intensity of a stimulus that you can detect 50 percent of the time is

Answers: 1

continue

You know the right answer?

A) A car accelerates uniformly at 3.7 m s⁻² as it passes a stationary road train. The initial speed...