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1. John is driving his sports car down a four-lane highway at 40m/s. He overtakes be a slow-moving dump truck. If he can accelerate at 5m/s/s, how long will it take for him to reach the speed of 60 m/s?

Note: I need a illustration about the problem situated above and also brief solution. Thank you.
In 25s , a 0.81 hp crane lifted bags of cement with a total mass of 600 N to the top of a building that is being constructed . how tall is the building ?

A force of 800 N is exerted on a bolt A as shown. Determine the horizontal and vertical components of the force.


Stanley, who works for the rail system shown in Fig. 1, has carefully synchronized the clocks at all of the rail stations. At the moment that Stanley measures all of the clocks striking noon, Mavis is on a high-speed passenger car traveling from Ogdenville toward North Haverbrook. According to Mavis, when the Ogdenville clock strikes noon, what time is it in North Haverbrook? (i) Noon; (ii) before noon; (iii) after noon.

Topic: Uniformly Accelerated Horizontal Motion Problem and Free Fall Problem


1. John is driving his sports car down a four-lane highway at 40m/s. He overtakes be a slow-moving dump truck. If he can accelerate at 5m/s/s, how long will it take for him to reach the speed of 60 m/s?


2. John hopes to finish a 10,000 m run less than 30 min. After 27.0 min, there are still 1,100 m to go. How many seconds must he consume at an acceleration of 0.20 m/s/s in order to achieve the desired time?


3. A construction worker accidentally drops a brick from a high scaffold. What is the brick's velocity after 4.0 s?


4. A stone is thrown vertically upward with a speed of 12.0 m/s from the edge of a cliff 75.0 m high:

a. At what time will it reach the bottom of the cliff?

b. What is its speed just before hitting?

c. What total distance did it travel?


I need an brief illustration about those problemю


A grand piano with a mass of 345 kg that's supposed to be delivered is pushed up to a delivery truck using an inclined plane elevated at 40°. If the applied force onto the piano is 3530 N, will it be enough to push the grand piano up the ramp? Show your solution for the values of net force along the slope of the incline utilizing both the static and kinetic friction. The coefficient of static friction is 0.52 and the coefficient of kinetic friction 0.15
An angular momentum of a fly wheel having a momentum of inertia of 0.125kgm^2 decreases form 3.0kgm^2/s to 2.0kgm^2/s in a period of 1.5secs.
(i) what is the average torque acting on the fly wheel during this period.
(ii) assuming a uniform angular acceleration, through how many revolution will the fly wheel have turned?
A wireless aerial attached to the top of a mast 20 m high exerts a horizontal force upon it of 600 N. The mast is supported by a stay-wire running to the ground from a poult 6 m below the top of the mast. and inclined at 600 to the horizontal. Assuming that the action of the ground on the mast can be regarded as a single force. draw a diagram of the forces acting on the mast, and determine by measurement or by calculation the force in the stay-wire. (C.)

Summarize the various conditions which are being satisfied when a body remains in equilibrium under the action of three non-parallel forces.


A truck moving at 25 m/s south accelerates to 15 m/s south in 2.5 s. What is its acceleration?
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