Answer:
period of oscillations is 0.695 second
Explanation:
given data
mass m = 0.350 kg
spring stretches x = 12 cm = 0.12 m
to find out
period of oscillations
solution
we know here that force
force = k × x .........1
so force = mg = 0.35 (9.8) = 3.43 N
3.43 = k × 0.12
k = 28.58 N/m
so period of oscillations is
period of oscillations = 2π × ................2
put here value
period of oscillations = 2π ×
period of oscillations = 0.6953
so period of oscillations is 0.695 second
Projectile motion contains a horizontal (x) component, and a vertical (y) component. It is important to note that the x component, negating friction, is a constant velocity. Gravity only plays a part in the y component, where a = -9.8 m/s/s or a = -32 ft/s/s.
Answer:
The first law of thermodynamics is the law of conservation of energy. It states that energy is always conserved. ... To keep a machine moving, the energy applied should stay with the machine without any losses. Because of this fact alone, it is impossible to build perpetual motion machines.
Explanation:
Lets use an ambulance as an example:
Lets say we are stationary on a sidewalk and a ambulance is coming towards us, at first we hear the sound at a lower pitch as it is further away, but as the ambulance travels towards us the frequency, which denotes how many waves pass a given point per unit time (we are the point), will get higher, meaning an increase in pitch as the waves become "denser" or more compressed. As the ambulance travels away you will hear the sound at a lower pitch because the frequency of sound waves passing you per unit time is less and it will continue to lessen until the ambulance can no longer be heard.
Essentially--> higher frequency means higher pitch
The waves become more compressed as a it moves with velocity v towards a certain point.
Answer:
(A)
Explanation:
No, because it is not orbited by another star
Hope this help :)