Discuss five ways human activity has accelerated soil erosion

In the absence of air resistance, the path of a projectile is an

A car's position in relation to time is plotted on the graph. What is the car's average velocity? A) 5 m/s B) 10 m/s C) 30 m/s D) 50 m/s

A 0.43-kg soccer ball rolls toward an immoveable goalpost at a velocity of 6.8 m/s. Assuming the collision between the soccer ball and goalpost is perfectly elastic, what is the velocity of the soccer ball after the collision?

What is medium definition in physics

How can you know when an object has unbalanced force on it

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?

A force of 5N compresses a spring by 4cm. Find the force constant of the spring.

Which of the following equations are balanced correctly? A: Cu + H2O → CuO + H2 B: Zn + HCl → ZnCl2 + H2 C: 2C4H10 + 13O2 → 8CO2 + 10H2O D: 2Ag2O → 4Ag + O2

Two identical objects are moving directly toward one another at the same speed v. ~v - ~v m m What is the total kinetic energy of the system of the two objects?