What total frictional force acts on the car

Assignment Help Physics

Reference no: EM13719171

Problem: When an automobile moves with constant velocity, the power developed is used to overcome the frictional forces exerted by the air and the road. One horsepower equals 746 W, and one mile is 1609 m.

Part A: If the engine develops 50 hp, what total frictional force acts on the car at 49 mph?

Answer in units of N.

I need help to find what total frictional force acts on the car at 49 mph.

Reference no: EM13719171

Questions Cloud

Estimate how fast is the coaster moving : A roller coaster car is going over the top of a13-m-radius circular rise. How fast is the coaster moving

Global lead-time management and time-compression : Critically analyse the theory, concepts and models of global supply chain management to interpret and understand complex and ambiguous risks in global logistics and supply chain environments.

Find the magnitude of the initial velocity of the projectile : A projectile is launched from ground level to the top of a cliff which is 195.0 m away and 135.0 m high. If it lands on top of the cliff 6.600s after it is fired, Find the magnitude of the initial velocity of the projectile

What is the car speed at the bottom of the dip : The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 40m radius of curvature. What is the car's speed at the bottom of the dip

What total frictional force acts on the car : When an automobile moves with constant velocity, the power developed is used to overcome the frictional forces exerted by the air and the road. what total frictional force acts on the car at 49 mph

Find the speed of the sled after the stuntman is on board : For a movie scene, an 80kg stuntman drops from a tree onto a 46kg sled that is moving on a frozen lake with a velocity of 10m/s toward the shore. find the speed of the sled after the stuntman is on board

Ideal gas model for the air and variable specific heats : Air at 300 kPa, 63oC, and a velocity of 423 m/s enters an insulated duct of varying cross-sectional area. The air exits at 150 kPa, 88oC. At the inlet, the cross-sectional area is 6.57 cm2.

Find the inward force necessary to provide each blades : If we model a blade as a point mass at the midpoint of the blade, what is the inward force necessary to provide each blade's centripetal acceleration

How much power will it radiate : A dish of hot food has an emissivity of 0.48 and emits 15 W of thermal radiation. how much power will it radiate

User Account

All Pages