a constant net forced of 150 N is exerted to accelerate a cart from rest to velocity of 45 m/s in 8 seconds. what is the mass of the cart?

The mass of the cart is 26.7 kg.

Explanation:

To find this answer use the formula for acceleration first to find how fast the object had to be acccelerating to gain a velocity of 45m/s in 8 seconds flat.

Here's the formula for acceleration:

a = V- V₀ ÷ T (Wher V = final velocity; V₀ = Initial velocity, and T = time)

Plug all known values into the equation and you get -

a = (45m/s - 0m/s) ÷ 8 , which works out to 5.625 m/s²

Once you have this value then you place it into the equation for finding an object's mass, and that formula is:

M =  or M =

This works out to  26.6667 kg or approx. 26.7 kg if you are asked to round it to three significant figures.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

yes, because even though a theory has a  lot of evidence to support it, it is not always true