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Tamiku [17]
3 years ago
12

1st block

Physics
1 answer:
podryga [215]3 years ago
3 0

Answer:

2

Explanation:

kilogram and megagram is the larger unit

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A toy floats in a swimming pool. The buoyant force exerted on the toy depends on the volume ofa. none of these choices.b. all th
Citrus2011 [14]

Answer:c

Explanation:

The buoyancy force on toy depends upon the volume of toy under pool water.

According to Archimedes principle buoyant force on a floating body depends upon the weight of displaced liquid by object.

Buoyancy force is given by

F_b=\rho _f\times V\times g

where \rho _f=density of fluid

V=volume of object under water

g=acceleration due to gravity

6 0
4 years ago
a ball on a string makes 30.0 revolutions in 14.4s, in a circle of radius 0.340m. what is its period.(unit=s)
STALIN [3.7K]

Answer:

0.480 seconds

Explanation:

The period is the time for 1 revolution.  Writing a proportion:

14.4 s / 30.0 rev = t / 1 rev

t = 0.480 s

The period is 0.480 seconds.

7 0
3 years ago
Three deer, A, B, and C, are grazing in a field. Deer B is located 62m from deer A at an angle of 51° north of West. Deer C is l
Anna71 [15]

Set deer A's position to be the origin. Let c be the distance from deer A to deer C. We're given that deer B is 95 m away from deer C, which means the length of the vector B-C is 95 (or C-B). Then

|B-C|^2=(B-C)\cdot(B-C)=B\cdot B-2B\cdot C+C\cdot C=|B|^2-2B\cdot C+|C|^2

|B-C|^2=|B|^2-2|B||C|\cos(180-77-51)^\circ+c^2

95^2=62^2-2(62)(c)\cos52^\circ+c^2

c^2-124\cos52^\circ c-5181=0\implies c=120\,\mathrm m

8 0
4 years ago
What is the difference between a unit and a variable?
scoundrel [369]

Answer:

A case is an experimental unit. ... Another synonym is experimental unit. A variable is a characteristic that is measured and can take on different values. In other words, something that varies between cases.

Explanation:

7 0
3 years ago
Read 2 more answers
Help please its due tomorrow :(
Solnce55 [7]
Traditional is the old way of doing stuff, Command is a system ruled by one person, Market is having buyers and sellers make economic decisions

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