Which is NOT true of a scientific law?

A. It can be modified or rejected

B. It states that an event will occur

C. It explains why an event will occur

D. It is based on repeated observations

A baseball of mass 0.143 kg is thrown from the roof of a building 23.1 m above the ground. Its initial velocity is 37.6 m/s at an angle of 45◦ above the horizontal. The acceleration of gravity is 9.81 m/s 2.

What is a hernia? (A) cold sores (B) an inflammation (C) a protrusion (D) a congenital abnormality

A ball on the end of a string is spinning around a circle with a radius of 5 centimeters. If in a central angle of radian has been covered, what is the angular speed of the ball?

Compare to a low wavelength sound wave, a high wavelength sound wave Select all that apply Group of answer choices travels slower has a smaller frequency travels at the same speed has a higher frequency travels faster has the same frequency

Objects falling through air experience a type of friction called

A student conducts and investigation to determine a ball's mass, displacement, velocity and acceleration. (A) Identify each of the following as wither a vector or scalar quantity: Mass, Displacement, Velocity & Acceleration.

A ball is rolling down a hill at + 1.0 m/s, The ball is uniformly accelerating at +4.9 m/s?, What will the ball's velocity be 4.0 s later? +8.9 x 100° m/s +2.0 x 10^1 m/s +2.1 x 10^1 m/s -1.9 x 10^1 m/s

What is the difference between unicellular and multicellular organisms?

Is momentum conserved in the collision?

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?