Speed is a
Correct answer: C. Scalar
- A. Tensor
- B. Vector
- C. Scalar
- D. None of these
Explanation
Option C is correct since speed is a scalar quantity having only a numerical magnitude and possess no direction.Option A is incorrect since a tensor is a real-valued function of some number of vectors and/or linear forms, which is linear in each of its arguments. It is not similar to either a vector or scalar.Option B is incorrect since vector quantities are physical quantities that possess both a numerical magnitude and direction.Option D is incorrect since it states none of these, which is not the case over here.
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About Force and Motion
Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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