Question: 9.Jenny is sitting on a sled on the side of a hill inclined at 15. What force is required to keep the sled from sliding

9.Jenny is sitting on a sled on the side of a hill inclined at 15. What force is required to keep the sled from sliding down the hill if the combined weight of Jenny and the sled is 90 pounds?

(Show work)

10.Anne is pushing a wheelbarrow filled with mulch to place in her garden. She is pushing the wheelbarrow with a force of 70 N at an angle of 50 with the horizontal. How much work in joules is Anne doing when she pushes the wheelbarrow 25 meters?

(Show work)

11.A baseball player running forward at 3 meters per second throws a ball with a velocity of 20 meters per second at an angle of 20^o with the horizontal. What is the resultant speed and direction of the throw?

(Show work)

12.Write 18(cos169 + isin169) in rectangular form. Round numerical entries in the answer to two decimal places.

(Show work)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

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 Mathematics Questions!

9. Jenny is sitting on a sled on the side of a hill inclined at 15". What force is required to keep the sled from sliding down the hill if the combined weight of Jenny and the sled is 90 pounds?...

9. Jenny is sitting on a sled on the side of a hill inclined at 15. What force is required to keep the sled from sliding down the hill if the combined weight of Jenny and the sled is 90 pounds? (Show...

1.Roland's Boat Tours sells deluxe and economy seats for each tour it conducts. In order to complete a tour, at least 1 economy seats must be sold and at least 6 deluxe seats must be sold. The...

Jenny is sitting on a sled on the side of a hill inclined at 15. What force is required to keep the sled from sliding down the hill if the combined weight of Jenny and the sled is 90 pounds?

Mary sits on a sled on the side of a hill inclined at 60. What force is required to keep the sled from sliding down the hill if the weight of Mary and the sled is 125 pounds

O Points 0 of 1 Opomba is sitting on a sled on the side of a hill inclined at 30 The combined weight of Ojemba and the sled is 100 pounds What is the magnitude of the force required fir Mandisa teep...

Assignment: Vector Projection Directions: Answer the following questions. Questions: For questions 1 3, vectors 3 and V are given. Find the vector projection of V onto 3. 1.E= andi7= 2.3 andv andi/'...

The heaviest invertebrate is the giant squid, which is estimated to have a weight of about0.15tons spread out over its length of30feet.What is its weight in newtons? N 2. [0.17/1...

47. (II) In Fig. 4-56 the coefficient of static friction between mass m and the table is 0.40, whereas the coefficient of kinetic friction is 0.20. (a) What minimum value MA of mA will keep the...

Consider all 30 observations on the first two process variables in Table 11.6. Calculate an estimate of the sample covariance matrix using both estimators S1 and S2 discussed in Section 11.3.2. Are...

On 12-31-14 J entered into an agreement allowing J to collect the following: Starting 12-31-15, $200 every 12-31 until 2024. On 12-31-25, a one-time collection of $1,500. Nothing in 2026. ...

Question 7 West sells power tools out of his van at street fairs around the city. He offers credit on purchases of \ $ 1 0 0 and more ( almost all purchases! Ana aging of his March 3 1 accounts...

Smith was awarded a fixed-priced contract for the repair and maintenance of a government owned campus consisting of several buildings. On September 1, Smith subcontracted the roofing work on the...

2. In this chapter, the reader should reflect on the following concepts:

1. To provide an understanding that a person in a communication situation conveys three things at the same time: their position, basic interests and values.

4. What is meant by the statement: We are extremely limited in our willingness to allow others to put their own case in a social situation?.