When it falls though a vaccum,it is subjected to only one external force,the gravitational force.
The two bols of ice creams are composed of vanilla the same subtances
True, the wavelength dies down due to high frequency and low amptitude.
Answer:
C. Both Technicians A and B
Explanation:
To loosen a fastener immediately especially if it is a rusted one we can follow these steps.
1. Tap the sides of the fastener so that the rust particle fall off.
2. These rust particles can be brushed off.
3. Spray the fastener with the penetrating oil.
4. Again tap the sides with a hammer to let the oil penetrate the inter-locked parts (threads in case of a nut and bolt).
5. Loosen the fastener after oil has penetrated.
Note: It should be kept in consideration that spraying alone won't do the job, tapping is essential to let the oil penetrate deep in to free the rusted parts.
Power = VI
⇒ 120 = 6 * I
⇒ I = 120/6 = 20A
Answer is B