What are you asking us to anwser?
Answer:
Explanation:
let the velocity of throw is u .
Time to reach horizontally .25 m is equal to reach .45 m vertically
t = .25 / u cos63
= .55 / u
For vertical motion
- h = - ut + 1/2 gt²
-.45 = -usin63 x .55 / u + .5 x9.8 (.55 / u )²
-.45 = - .49 + 1.48 / u²
.04 = 1.48 / u²
u² = 37
u = 6.08 m /s
Answer:
Car speedometer only measures speed and doesn't give any information about direction. So yes to speed, no to velocity.
Answer: Mercury is rarely used in thermometers that take body temperatures because it is toxic, accidentally if by any chance a thermometer breaks orleaky, mercury gets inside body and can cause harm.
Explanation:
Answer: force, force
Explanation:
Newton’s third law states that there and equal and opposite force on an object.
I took the test as well