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beks73 [17]
3 years ago
6

A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back to point C. Which of the fol

lowing is true about the ball’s velocity and acceleration the highest point B

Physics
1 answer:
ratelena [41]3 years ago
8 0
PE.....................
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Will mark the brainliest
Gennadij [26K]

Answer:

OK draw a diagram - you have the force from (b) acting sown the slope and a component of the weight. Use F=ma to get the deceleration and then use SUVAT. Post your working if this doesn't work.

friction = 900N

braking = 3100N

total = 4000N

w= mxg = 1000*9.81= 9810N

total = 9810 + 4000 = 13810N

force/mass = 13810/1000 = 13.81ms^-2

then using v^2 = u^2 + 2as, i get s as 14 but it is incorrect

Explanation:

4 0
3 years ago
Plate movement cause volcanoes to
Studentka2010 [4]
Is this a multiple choice question?
If not, well then the answer is that the volcano sort of sinks into the ground. Like it sort of subducts.
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7 0
3 years ago
PLEASE HELP ASAP please like this is supper important
MaRussiya [10]
T(°C) = (T(°F) - 32) × 5/9

T(°F) = T(°C) × 9/5 + 32
7 0
3 years ago
Why can even a small injury to the cornea have a effect on vision
prohojiy [21]

Answer:

It also plays a key role in vision. As light enters your eye, it gets refracted, or bent, by the cornea's curved edge. This helps determine how well your eye can focus on objects close-up and far away. If your cornea is damaged by disease, infection, or an injury, the resulting scars can affect your vision.

5 0
3 years ago
HEY CAN ANYONE ANSA DIS!!!!
Nataly [62]

Answer: 7.25 * 10^5

Explanation:

1. The equation simplifies to (7*10 + 2.5) 10000.

2. Simplify in the parenthesis. 72.5 * 10000.

3. In scientific notation, the answer is 7.25* 10^5.

4 0
4 years ago
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