Answer:
7 / 1
Explanation:
The ratio of their amplitude = one-seventh and the ratio of their amplitude = the ratio of their wavelength
Ax / Ay = λx / λy = 1 / 7
λy / λx = 7 / 1
Answer:

Explanation:
When the car is under an accelerating force and hits a tree, the instant force received by the tree is the same force that is accelerating the car.
The accelerating force can be calculated using Newton's second law:

Where m is the mass of the car and a is the acceleration.


Answer:19ohms
Explanation:
equivalent resistance=5+2+12
equivalent resistance=19ohms
An ... (Base ) .... is a compound that turns red litmus paper blue and is often found in soaps and detergents.
Answer:
as its mass and velocity will less so its momentum will be less than that of baseball