What is the magnitude of the kinetic frictional force

Assignment Help Physics

Reference no: EM13245988

A 64 kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal. The initial speed of the skier is 6.6 m/s. After coasting a distance of 1.9 m up the slope, the speed of the skier is 3.3 m/s.

(a) Find the work done by the kinetic frictional force that acts on the skiis.

(b) What is the magnitude of the kinetic frictional force?

Reference no: EM13245988

Questions Cloud

Identify the reasons why the quantity demanded of a product : Identify the reasons why the quantity demanded of a product increases as the price of that product decreases.

Find the total change of entropy of the ice and water : We drop a 26-g ice cube (0C) into 1000 g of water (20C). Find the total change of entropy of the ice and water when a common temperature has been reached

How many straight flush possible hands exist in poker : How many straight flush possible hands exist in Poker? (5 cards of 5 consecutive ranks, all in 1 suit, including Aces, Kings, Queens and Jacks). Explain.

Determine whether or not null hypothesis should be rejected : Suppose the average puppy weighs 10 pounds. A sample of 10 puppies yields a sample mean of 13.2 pounds and a sample standard deviation of 2.78 pounds. Assume the population standard deviation is known to be 5.25.

What is the magnitude of the kinetic frictional force : A 64 kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal, What is the magnitude of the kinetic frictional force

What would be the standard deviation of the sample mean : The starting salaries for full-time jobs for recent graduates in statistics are normally distributed with a mean of $44,000 and a standard deviation of $2,900. If random samples of 25 recent graduates were selected

What is the magnitude of the average drag force : A 8760-kg car is travelling at 29.7 m/s when the driver decides to exit the freeway by going up a ramp, What is the magnitude of the average drag force exerted on the car

Compute each producers total cost and average total cost : The price of a pie is now $11 how many pies are sold How many pies does each producer make How many producers are there How much profit does each producer earn c. Is this situation described in part (b) a long run-equilibrium

Is the demand for this good price elastic or price inelastic : Is the demand for this good price elastic or price inelastic? Justify your classification by talking about the determinants of elasticity as they apply to this product.

User Account

All Pages