A bullet is fired straight up with a muzzle velocity of 479.0 m/s. The time it...
A bullet is fired straight up with a muzzle velocity of 479.0 m/s.
The time it takes the bullet to reach the maximum height is
| a. |
2.25 x 104 s |
|
| b. |
1.13 x 104 s |
|
| c. |
48.0 s |
|
| d. |
24.0 s |
The velocity of the bullet at the instant just as it strikes the ground is
| a. |
a number smaller than -470 m/s |
|
| b. |
- 470 m/s |
|
| c. |
470 m/s |
|
| d. |
a number greater than 470 m/s |
The maximum height to which the bullet rises is
| a. |
2.25 x 104 m |
|
| b. |
1.13 x 104 m |
|
| c. |
24.0 m |
|
| d. |
48.0 m |
Ball A is projected with a velocity of 5.0 m/s at an angle of 20.0° above the horizontal. Ball B is projected with a velocity of 5.0 m/s at an angle of 40.0° above the horizontal.
We can say that the range of ball B will be
| a. |
twice that of ball A |
|
| b. |
greater than that of ball A but not twice as much |
|
| c. |
the same as that of ball A |
|
| d. |
less than that of ball A |
When the balls strike the ground the speed of ball B will be
| a. |
twice that of ball A |
|
| b. |
greater than that of ball A but not twice as much |
|
| c. |
the same as that of ball A |
|
| d. |
less than that of ball A |
Homework Answers
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