Answer:
The black ball moving to the right after being struck by the white ball
Explanation:
Answer:
ΔK = 24 joules.
Explanation:
Δ
Work done on the object
Work is equal to the dot product of force supplied and the displacement of the object.
* Δ
Δ
can be found by subtracting the vectors (7.0, -8.0) and (11.0, -5.0), which is written as Δ
= (11.0 - 7.0, -5.0 - -8.0) which equals (4.0, 3.0).
This gives us
*
=
=
J
Answer:
Explanation:
As we know that position of maximum on the screen in diffraction pattern is given as

here we know that
position of third maximum due to red color light and position of fifth maximum of unknown wavelength are same
so we have

so we have


how does a pedometer help people reach their fitness goals?
a. It measures calories burned.
b. It usually doubles as an MP3 player and keeps people motivated.
c. They count steps during a workout.
d. They measure the number of lifts done per exercise.
Answer
Doggy beds and pillows haven't always been around, so wild dogs had to pat down tall grass and underbrush to make a comfortable bed for themselves and their pups. The easiest way to prepare that night's sleeping area was by walking around in a circle. The rounding ritual may also have served as a safety precaution.