can you answer all of these physics/math problems for me please?

Question

or at least some of them?

1. A bicyclist averages 18.0 km/hr for 20 minutes. What distance did the bicyclist travel?

2. What is the final velocity of a car that accelerates from rest at 9 ft/sec^2 for 8.0 seconds?

3. A sports car traveling 88ft/sec comes to a complete stop in a distance of 100 feet. a) How much time was required for the stop? b) What was the average deceleration.

4. A ball thrown stright yp reaches its highest point in 2.6 seconds. What was its initial velocity? Neglect air resistance.

5. You drop a rock from a cliff and it hits the ground 5.2 seconds later. How high is this cliff?

6. How long much a car accelerate at 4 m/sec^2 to go from 12 m/sec to 36m/sec?

7. An object is dropped from a bridge and hits the water 2.5 seconds later. a) with what velocity did it strike the water? b) What was its average velocity during the fall? c) How high is the bridge?

8. A world land speed car decelerates at 9.80 m/sec^2. How long does it take the car to coe to rest after a record setting speed of 855 km/s? What distance does it travel before coming to rest?

9. Light travels at a speed of 3 x 10^8m/sec. a)How long does it take light to travel from the sun to the earth, a distance of 1.5 x 10^2m.? b) How long does it take light to travel form the moon to the earth, a distance of 3.84 x 10^8m.? Express your answers in seconds and minutes.

10. As your parents drive along the highway the speedometer on their car quits working. They measure their speed by measuring the time it takes to travel between mile markers. a)how many seconds should elapse between mile markers if their average speed is 55 mi/hr? What is their average speed if the elapsed time between mile markers is 45 sec.?

11. A young child jump vertically upward with a speed of 3.5 m/sec. How high would the child rise a) on earth b) on the moon where gm = 1.60 m/sec^2?

12. Blood flowing in an artery is to have a speed of 120 cm/sec. at one point and speed of 90 cm/sec. at a point 40 cm further down the artery. Assuming constant acceleration, what is the average velocity between the two points? How long does it take to travel between the two point? c) What is the acceleration?

13. An electron in the electron gun of a TV tube undergoes an acceleration of 10^14 m/sec while it travels one centimeter. It then travels 10cm. to the screen at a constant speed. a) What is the speed after traveling one centimeter? b) How long does it take to travel the first centimeter? c) How long does it take to travel the additional 10 cm to the screen?

14. What is the average acceleration of a rifle bullet that attains a speed of 600 m/sec in a distance of 60 cm.?

Answer 1

1. 6 km
2. 12 ft/sec
3. a) 18 s b) 24 ft/sec^2
4. 30 ft/sec
5. 36 feet
6. 42 sec
7. a) 48 ft/sec b) 54 ft/sec c) 60 ft

Answer 2

Boy are you greedy, you should be able to do these in your head. while you were typing them.
1. A bicyclist averages 18.0 km/hr for 20 minutes. What distance did the bicyclist travel? 6 km

2. What is the final velocity of a car that accelerates from rest at 9 ft/sec^2 for 8.0 seconds?

3. A sports car traveling 88ft/sec comes to a complete stop in a distance of 100 feet. a) How much time was required for the stop? b) What was the average deceleration.

4. A ball thrown stright yp reaches its highest point in 2.6 seconds. What was its initial velocity? Neglect air resistance.

5. You drop a rock from a cliff and it hits the ground 5.2 seconds later. How high is this cliff?

Answer 3

I am completely at a loss as to why someone would study this and not only feel compelled to ask others to do the work (easy problems at that) for them but go through so much trouble to type them in -- unless, of course, they were available digitally and this was a copy/paste job. It's like the people who do an inordinant amount of work to scam or cheat for money that could more easily be earned.