b. 3.9 x 10 5. Write the followings in i) the scientific notation, ii) prefixes a. 15,000,000,000 kg b. 0.00000189 m C. 0.000,000,000,000,000,000,0030 second d. 6000,000,000,000,000,000,000,000 km

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Can you receive a shock severe enough to prevent you from releasing the wire from an ordinary outlet with dry hands? a. no b. yes explain

Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.