Askateboarder starting from rest accelerates down a ramp at 5 m/s2 for 4 s. what is the final speed of the skateboarder?

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?