7. Bianca is running at 5 m/s and sees her friend Chloe ahead of her and so she speeds up to 7 m/s in 8 seconds. What is Bianca's average acceleration during the 8 seconds?

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

The material that keeps its new shape after it is stretched is called?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?