Recent content by emma123

1. Distance and time

i need some help with this: the distance d that a certain particle moves may be calculated from the expression d=at+bt^2, where a and b are constants; and T is the elapsed time. complete the following statement: the dimensions of the quantities a and b are..., respectively help please i...
2. Gravity help

can someone provide me the formulas i can't seem to find any of them in this forum?
3. Gravity help

o really? thats the right answer but can u teach me how to do it mathematically? because i have to show my work and steps in how to get the answer
4. Gravity help

it'll go six times higher?
5. Gravity help

is it 96.04m?
6. Gravity help

yes but i don't have the formulas or the textbook with me but only the questions because this is homework over the summer
7. Gravity help

how do you calculate to get the height?
8. Gravity help

If an object is thrown vertically upward on the moon how many times higher will it go than it would on earth if they both have the same initial vel. Acceleration on moon is 1/6 of what it is on earth I need some help on solving this. Thank You
9. Converting mph

is this correct?
10. Converting mph

when i convert 65 mph into ft/s is it 95.33 ft/s and and when converting 65mph into km/h is it 104.60736 km/h?
11. Converting mph

i need some help on a problem... does anyone know how to convert 65mph into ft/s and km/h? i would appreciate it THANKS! =)
12. Force and Work

thanks for the help cyrusabdollahi! Appreciate it!:smile:
13. Force and Work

hi i need help on two of my homework problems one on work and the other on force As you walk, there is a static frictional force between your shoes and the ground. Is any work done? Explain your answer. If three objects exert forces on a body, can they all do work at the same time? Explain...
14. Simple Think Critically and Explain Question

Thanks a lot guys for the help:smile:
15. A Couple More Simple Think critically and Explain Questions

oh sorry about that, but i did try to do them myself but i didn't understand them so i decided to skip them move on and then go back to try to figure out the answers for these few problems but i couldn't so I decided to post them up as well