dankamau dankamau

18-09-2022
Mathematics

Answered

An entrant enters a model car into a race. The car accelerates from rest at a constant rate of 2m/s^2 down a slope. When it crosses the finishing line a firework is set off at the end of the course. The sound travels at 340m/s. The time between the entrant starting and the firework being heard at the start of the course is 12s. a) Find the length of the course. b) find the actual time it took for the model car to complete the course.

Answer :

Other Questions

When a driver applies the brakes, the tires lock but the car will continue to slide, leaving skid marks on the road. You can approximate the speed at which a ca

Use the point and the slope to graph each line. Write the equation of the line. The line passes through point (2,-2) and is parallel to a line that has slope -1

Calculate, using measurement, the scale of the floor plan of the layout of the exhibition stands if the actual length of the rectangular information centre is 2

The linear equation y= mx + b contains the point (-4, 3) and is perpendicular to the line 5x + 20y = 9. What is the value of m? What is the value of b?

The coordinates of the point of the way from A to B are____

The following are the ages (years) of 5 people in a room: 23 , 19 , 12 , 21 , 13 A person enters the room. The mean age of the 6 people is now 19. What is the a

10. Before a race, you start 4 5/8 behind your friend. At the halfway point, you are 3 2/3 ahead your friend. What is the change in distance between you and you

the perimeters of two squares are in the ratio 2 : 7. What is the ratio of the area of the smaller square to the area of the larger square

Noah has 22 feet of fence available to build a rectangular fenced in area. If the width of the rectangle is a feet, then the length would be (22 - 2x). A functi

The dimensions of the rectangular patio in her sketch are: The width is 4 centimeters. The length is 7 centimeters.