If a car generates 16 hp when traveling at a steady 100 km/h , what must be the average force exerted on the car due to friction and air resistance? Express your answer to two significant figures and include the appropriate units.
If a car generates 16 hp when traveling at a steady 100 km/h , what must...
How much work must be done to stop a 1200-kg car traveling at 90 km/h ? Express your answer to two significant figures and include the appropriate units.
How much work must be done to stop a 1150-kg car traveling at 90 km/h ? Express your answer to two significant figures and include the appropriate units.
2. Superman must stop a 120-km/h train in 100 m to keep it from hitting a stalled car on the tracks. The train's mass is 3.6 × 105 kg. a. Determine the force that must be exerted on the train.Express your answer to two significant figures and include the appropriate units. Enter positive value if the direction of the force is in the direction of the initial velocity and negative value if the direction of the force is in the...
Please help me with the following questions: 1) Superman must stop a 115-km/h train in 150 m to keep it from hitting a stalled car on the tracks. The train's mass is 3.6 × 105 kg. Part A: Determine the force that must be exerted on the train. Express your answer to two significant figures and include the appropriate units. Enter positive value if the direction of the force is in the direction of the initial velocity and negative value...
Learning Goal Part A-Time for the Car to Reach 100 km/h ? To apply the concepts of impulse and momentum to problems involving unknown forces, velocities, and times. Find the time it will take for the car to reach u 100 km/h from rest. A new rear-wheel drive automobile design is being tested and you have been asked to estimate its performance. The car without wheels (i.e., the body) has a mass of mc 1450 kg. The wheels (including tires)...
Part A How much work must be done to stop a 1200-kg car traveling at 110 km/h?. Express your answer to two significant figures and include the appropriate units. ЦА ? W = 560.35 KJ Submit Previous Answers Request Answer
If a curve with a radius of 88 m is properly banked for a car traveling 68 km/h , what must be the coefficient of static friction for a car not to skid when traveling at 91 km/h ? Express your answer using two significant figures.
A car moving at 90 km/h passes a 1.21 km -long train traveling in the same direction on a track that is parallel to the road. Part A If the speed of the train is 71 km/h , how long does it take the car to pass the train? Express your answer using two significant figures. Part B How far will the car have traveled in this time? Express your answer using two significant figures. Part C If the car...
A car is traveling at a steady 87 km/h in a 50 km/h zone. A police motorcycle takes off at the instant the car passes it, accelerating at a steady 7.2 m/s2 . How far is the motorcycle from the car when it reaches this speed?
A car is traveling at a steady 87 km/h in a 50 km/h zone. A police motorcycle takes off at the instant the car passes it, accelerating at a steady 7.4 m/s2.1. How much time elapses before the motorcycle is moving as fast as the car?2. How far is the motorcycle from the car when it reaches this speed?