Reference no: EM13955835
1. A plane leaves the airport and flies east at 109 miles/hour. 4.5 hour(s) later a second plane leaves east at 240 miles/hour. How long after taking off does the second plane overtake the first plane?
2. What is the tension on an elevator cable if the elevator (with a mass of 1209.3 kg) is traveling up at 4.2 m/s?
3. A ball thrown straight up with a velocity of 4.8 m/s. How long will it take to return to the thrower?
4. A ball is fired by a cannon from the top of a cliff as shown in the figure. Which of the paths would the cannon ball most closely follow?
a. 1
b. 5
c. 3
d. 4
e. There is no best selection to answer this question.
f. 2
5. The graph below depicts the force of a hydraulic hammer pushing on a roller coaster on a straight and level track with no friction. What is the change in momentum of the roller coaster on during the first 6.5 seconds?
6. A large truck collides head-on with a small compact car. During the collision:
a. the truck exerts a force on the car but the car does not exert a force on the truck.
b. the car exerts a greater amount of force on the truck than the truck exerts on the car.
c. neither exerts a force on the other, the car gets smashed simply because it gets in the way of the truck.
d. the truck exerts a greater amount of force on the car than the car exerts on the truck.
e. the truck exerts the same amount of force on the car as the car exerts on the truck.
7. Five students push a small car down the driveway. The momentum of the 1191.1 kg car is plotted as a function of time in the graph above and reaches 3000 kg m/s in 4 seconds. What is the average force of push by each student during the push?
8. A locomotive of mass 3532.8 is rigidly attached to a railroad car of mass 2487.3 riding without friction on a horizontal track. If the locomotive, which has a coefficient of static friction 0.6, exerts a force of 3933.1 N on the railroad car, what is the magnitude of the acceleration of the locomotive?
9. A bicycle accelerates from rest at 3.5 m/s2 for 1.6 seconds. What is the total distance traveled?
10. A jet flying at 206.0 km/hr travels between two cities in 1.5 hour(s). A turboprop flying the same route takes 5.5 hours. What is the speed of the turboprop?
How much of jeans credit is refundable versus non-refundable
: Compute Jean's education tax credit if her AGI is $32,800. How much of her credit is refundable versus nonrefundable? b. Same as in Part a., except that Jean's AGI is $84,700.
|
Accounts of brian kelly
: Based on the Conceptual Framework, decide whether and when revenue exists and the appropriate time for this revenue to be recognised in the accounts of Brian Kelly, GoldProspector.
|
How europe underdeveloped africa
: According to Walter Rodney's essay, "How Europe Underdeveloped Africa,"what were the negative economic, environmental, social and political consequences of colonization? Explain what Rodney means by "growth without development."
|
Construct a binomial distribution
: Find the probability that exactly two people will name "talking on cell phones".p(2)
|
What is the speed of the turboprop
: A jet flying at 206.0 km/hr travels between two cities in 1.5 hour(s). A turboprop flying the same route takes 5.5 hours. What is the speed of the turboprop?
|
Determine the total number of retailers in the program
: Determine the total number of retailers in the program initially as well as after the trial period - determine what the average retailer will sell on a daily basis as well as annually.
|
Internal controls over the sales cycle
: Evaluate Greenwood's internal controls over the sales cycle, and make suggestions for improvements in the internal controls for its sales cycle this needs to be in total 400 words
|
Express as an equivalent expression
: A business in a proposed business venture, Stephanie Morrison estimates that there is a 60% chance she will make 80, 000 and a 40% chance she will lose $20,000. Determine Stephanie expected value.
|
What are the differences between sophocles
: What are the differences between Sophocles' Antigone and the Irish Antigone (Heaney's Burial at Thebes)? How was Celtic literature been affected by Greek literature (especially tragedy)?
|