AP (Advanced Placement) Physics(B-C): Questions 717 - 720 of 921

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Question 717

Question

MCQ▾

A metallic wire of length and cross – section area , is stretched by a load . What is stress produced in the wire?

(Let )

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 718

Question

MCQ▾
A System of Three Spheres

Three spheres are hanging on a scale system, as shown in above figure. The distance between spheres and the pivots are labeled in figure. If whole scale system is in balanced, then what is the value of mass ?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 719

Question

MCQ▾

What nuclear transformation occurs during beta decay?

Choices

Choice (5)Response

a.

An electron and a neutron combine to form a proton.

b.

A neutron decays into a proton and an electron.

c.

An electron and proton combine to form a neutron.

d.

A proton decays into a neutron and an electron.

e.

Question does not provide sufficient data or is vague

Question 720

Question

MCQ▾

Three objects of equal mass of are placed on a coordinate plane at the coordinates and . The center of mass on the plane for the system of three objects would be located at the point:

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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