physics
. A 70-kg man and a 50-kg woman are in a 60-kg boat when its motor fails. The man dives into the water with a horizontal speed of 3m/s in order to swim ashore. If he changes his mind, can he swim back to the boat if his swimming speed is 1m/s? If not, can the woman change the ...
physics
. A 70-kg man and a 50-kg woman are in a 60-kg boat when its motor fails. The man dives into the water with a horizontal speed of 3m/s in order to swim ashore. If he changes his mind, can he swim back to the boat if his swimming speed is 1m/s? If not, can the woman change the ...
physics
I used the equations of motion for constant acceleration (The object is assumed to fall with the acceleration due to gravity which I took to be 10 m/s^2) Equations of motion: V^2=U^2 + 2*a*s V=U+at Note: when objects rebounds, acceleration = - 10m/s^2 since the latter is a vec...
physics
I worked it out and got 4.8N
science
The acceleration of gravity on the surface of Venus is 8.9m/s^2. Would a ball thrown upward on Venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?
science
A force of 20 N gives an object an acceleration of 5m/s^2. (a) What force would be needed to give the same object an acceleration of 1m/s^2? (b) What force be needed to give it an acceleration of 10m/s^2?
math
0.5, 3/5, 1 3/4, 0.9 in order from least to greatest
chemistry
How do you find q in q=mC delta t without the mass
trigometry
1. A 16-foot ladder on ground level is leaning against a house. If the base of the ladder is placed 5.0 feet from the house, what is the angle formed at the top of the ladder? A. 24° B. 18° C. 72° D. 20° please help I don't know how to do this
Calculus
calculate the derivative (2,5) (2.1,5.3) h'(2) if h(x)=(f(x))^3 k'(2) if k(x)=f(x))^-1 g'(5) if g(x)=f^-1(x)
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