A traveler first drives 18.6 km east, then 30.3 km southeast, and finally 10.7 km south. Find the traveler's total displacement?

3. A child slides down a slide and has 450 J of kinetic energy at the bottom of the slide. If all this energy was gravitational potential energy at the top of the slide and her mass is 49 kg, how tall is the slide?

A puck slides along an icy surface. what makes it slow down?

What is the mass defect of lithium? Assume the following: Atomic number of lithium = 3 Atomic mass of lithium = 7.0144 atomic mass units. Mass of 1 proton = 1.0073 atomic mass units. Mass of 1 neutron = 1.0087 atomic mass units. (A) 0.

An object at rest begins to rotate with a constant angular acceleration. if the angular speed of the object is ω after the time t, what was its angular speed (in terms of ω) at the time t/2

Ingrid kicks a football with an initial velocity of 12 m/s at an angle 45 relative to the ground. what is the horizontal component of the initial velocity to the nearest tenth

Why does heat energy always move from a higher temperature to a lower temperature?

Which of the following explains how heat flow within Earth changes its surface? Molten material moves in one direction, moving the plates in the opposite direction Molten material moves in one direction, moving the plates in the same direction

Regarding perspectives on abnormality, what is the common ground between the medical and psychoanalytic perspectives? a. Both view abnormal behaviors as symptoms of underlying problems. b.

The force in Newtons on a particle directed along the x-axis is given by F (x) = exp ( - (x/5) + 5) for x≥0 where x is in meters. The particle is constrained to move along the x-axis.

What are electromagnetic waves? what are its characteristics? how do we classify them?