A 1-kg standard cart collides with a 5.7-kg cart initially at rest on a low-friction track. After the collision, the standard cart is at rest and the 5.7-kg cart has a velocity of 1.5 m/s to the left. Part A What was the initial velocity of the standard cart? Suppose that the positive direction is the direction to the right. Express your answer with the appropriate units.

How many grams must be adde to 970g to make 1 and a half kg

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?