In the physics lab, a cart with a mass of 1 kg is found to have an acceleration of 50 cm/s^2 when it is pulled by a string with clay hanging off the ramp. if the mass of the cart is doubled to 2 kg, what will the new acceleration of cart be?

a = 25 cm/s²

Explanation:

Given,

The mass of the cart, m = 1 Kg

The acceleration of the cart, a = 50 cm/s²

The string with clay hanging off the ramp exerts a force, F on the cart (neglecting the tension in the string)

                                   F = m x a

                                      = 1 Kg X 50 cm/s²

                                      = 50 Kg cm/s²

Hence the force exerted by the clay hanging off the ramp on the cart, F = 50 Kg cm/s²

If the mass of the cart is doubled '2 Kg', the same magnitude of the force acts on the cart.

Therefore, from the equation,

                                   F = m x a

                             50 Kg cm/s² = 2 Kg x a

                                       a =  50 Kg cm/s² / 2 Kg

                                          = 25 cm/s²

Hence, the acceleration of the cart is, a = 25 cm/s²

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles