Two boys push horizontally a 30Kg bicycle and it accelerates at 1.5 m/s2. If the sum of opposing force is 40N. What force must they be exerting on it.

Which of these temperatures is likely when a container of water at 20° C is mixed with water at 28° C?

10 fact of polution solution

Is there chance of collosion b/w em waves

Is thorium (the element) abundant?

What can occur in a physical change?

2. How is temperature related to kinetic energy?

As stream velocity decrease, which factor will likely increase? A) erosion of the stream bank B) deposition of material in the stream C) amount of material carried downstream D) size of the particles carried downstream

What cells in the nervous signals travel through the nervous system

A mechanic pushes a 3.60 ✕ 103-kg car from rest to a speed of v, doing 5,130 j of work in the process. during this time, the car moves 21.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Anika asks Eva to roll a basketball and then a bowling ball to her. Which requires more force to roll, and why?