Question: The 80-lb boy has taken a running jump from the upper surface and lands on his 10-lb skateboard with a velocity of 16 ft/sec in

The 80-lb boy has taken a running jump from the upper surface and lands on his 10-lb skateboard with a velocity of 16 ft/sec in the plane of the figure as shown. If his impact with the skateboard has a time duration of 0.05 sec, determine the final speed v along the horizontal surface and the total normal force N exerted by the surface on the skateboard wheels during the impact.

30 16 ft/sec

Step by Step Solution

★★★★★

3.48 Rating (165 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Answers W 80 lb w 10 lb V 16 fts 30 o t 00... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Engineering Mechanics Dynamics Questions!

A boy releases a ball with an initial horizontal velocity at a height of 0.6 m. The ball bounces off the ground at point A, bounces off the wall at point B, and hits the ground again at point C,...

A jet plane lands with a speed of 100 m/s and can accelerate at a maximum rate of - 5.00 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time interval...

A boy A having a weight of 80 lb and girl B having a weight of 65 lb stand motionless at the ends of the toboggan, which has a weigh of 20 lb. if A walks to B and stops, and both walk back together...

An 80-lb boy sitting in a stationary 20-lb wagon wants to simulate rocket propulsion by throwing bricks out of the wagon. Neglect horizontal forces on the wagon's wheels. (Figure 1) Part A If the boy...

The 80-lb boy stands on the beam and pulls with a force of 40 lb. If (? s ) D = 0.4, determine the frictional force between his shoes and the beam and the reactions at A and B. The beam is uniform...

The 80-lb boy stands on the beam and pulls with a force of 40 lb. If (s)D = 0.4, determine the frictional force between his shoes and the beam and the reactions at A and B. The beam is uniform and...

The 80-lb boy stands on the beam and pulls on the cord with a force large enough to just cause him to slip. If the coefficient of static friction between his shoes and the beam is (? s ) p? = 0.4,...

Justin is 2 2 years old. He spent Friday night out drinking and partying with friends until 3 : 0 0 A . M . . Justin lives at home with his parents. His Mom wakes him at 7 : 0 0 A . M . Saturday...

Justin is 22 years old. He spent Friday night out drinking and partying with friends until 3:00 A.M.. Justin lives at home with his parents. His Mom wakes him at 7:00 A.M. Saturday morning because he...

4. Suny Sdn Bhd produces three products Z1, Z2 and 23. These products are using the same type of materials: D7, D8 and D9. Budgeted sales volumes of these products for the year 2020 are 2,500 units...

If it exists, find the inverse of and check your answer. 112 1 213

hat is the return value for a function whose definition includes no return statement? Question 1 1 options: The function will return a value of False. The function will return a value of True,...

13 At an Apple press event, Apple CEO Steve Jobs announces the iPad, a new mobile device that is a half-inch thin and weighs 1.5 pounds; plays movies, music, and TV shows; and acts as an e-reader. It...

The roll of paper of mass M has radius of gyration k A about an axis passing through point A. It is pin-supported at both ends by two brackets AB. If the roll rests against a wall for which the...

The bar of weight w is pinned at its center O and connected to a torsional spring. The spring has a stiffness k, so that the torque developed is M = k. If the bar is released from rest when it is...

The pendulum consists of a disk of weight W 1 and a slender rod of weight W 2 . Determine the horizontal and vertical components of reaction that the pin O exerts on the rod just as it passes the...

finish the code: Given integer spoonsRequested, output: "Full box", if the number of spoons is greater than or equal to 2 9 and less than or equal to 6 2 . "Jumbo box", if the number of spoons is...

Step by step solutions. Problem 30: Integer solutions of cubics ( vVV ) (i) Show that, if in is an integer such that (m - 3)' + m = (m + 3) then m' is a factor of 54. Deduce that there is no integer...

How many cups of frozen yogurt would have to be sold in order for the firm to reach its projected revenues of $1.2 million? NOTE: Each small cup of yogurt is sold for $3 and the cost of producing the...