The law of reflection states that if the angle of incidence is 29 degrees, the angle of reflection is ___ degrees

If you run 40 meters in 60 seconds what is your average speed

An olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the sprinter's average acceleration?

the distance travelled by a particle in time t is given by s is equal to 2.5 metre per second t2 find the instantaneous speed at t = 5sec with full explanation

What is 1960 in scientific notation

The device shown is used for lifting 55-gallon drums. determine the magnitude of the force exerted at b.

Which equations are balanced? Check all that apply. Mg3N2 + H2O → 3MgO + 2NH3 C3H8 + 5O2 → 4H2O + 3CO2 Zn + 2HCl → ZnCl2 + H2 3Ca (OH) 2 + 2H3PO4 → Ca3 (PO4) 2 + 6H2O 3H2SO4 + 2Fe → Fe2 (SO4) 3 + H2 4Al + 3O2 → 2Al2O3

Covert the names below into formulas in an equation then balance the equation 1.) Aluminum bromide plus chlorine yields aluminum chlorine plus bromine 2.) sodium phosphate + calcium chloride yields calcium phosphate + sodium chloride

In a inverse relationship, when one variable increases, the other

A chair of weight 75.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 42.0 N directed at an angle of 38.0 ∘ below the horizontal and the chair slides along the floor.

A car travels 20 km west, then 20 km south. what is the magnitude of its displacement? A) 0 km B) 20 km C) 28 km D) 40 km