Answer:
d. All of the above .
Explanation:
The sensitivity of microphone will be more if even feeble sound can create greater vibration in diaphragm . Naturally it is possible if diaphragm is light and can move easily . The movement it it is controlled by current in the coil which makes it electromagnet . All factors that increase the strength of magnet like increasing the no of turns , or a strong magnet will increase the sensitivity.
D, when a moving car suddenly stops, your body is still moving forward until the seatbelt stops you.
When things move, there is always friction. It's what makes cars move in the first place. The inside of the car doesn't move, however the wheels on the car are moving at a rapid pace. When the car stops violently, everything inside the car is thrown. The seat belt acts as a safety precaution if an accident happens.
Mark brainliest?
Answer:
During dormancy, a tree's metabolism, energy consumption, and growth all slow down significantly in order to endure the harsh season of winter when water and sunlight are more scarce.
Explanation:
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Answer:125N
Explanation:
Mass =25kg
Acceleration =5m/s/s
Force=mass x acceleration
Force=25 x 5
Force=125N
Answer:
A
Explanation:
physical model is something that you are able to hold, for example a rock.
