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LenaWriter [7]
3 years ago
12

Match each statement with the type of contraceptive it describes

Physics
1 answer:
Sunny_sXe [5.5K]3 years ago
6 0

Answer:

Can I see some answer choices please, then I'll gladly answer it.

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Which countries were considered the three major Axis Powers?
wariber [46]
The main Axis powers were Germany, Japan and Italy. The Axis leaders were Adolf Hitler<span> (Germany), </span>Benito Mussolini<span> (Italy), and </span>Emperor Hirohito<span> (Japan)</span>
4 0
2 years ago
What is Newton's third law of motion? Give an example.
Vikentia [17]

Answer: Examples of Newton's third law of motion are ubiquitous in everyday life. For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air. Engineers apply Newton's third law when designing rockets and other projectile devices.

Explanation: hope this helps :)

7 0
2 years ago
You calculate that the maximum static friction is 420N. If you apply 500N of force, will the couch slide?
Valentin [98]
Assuming that the entirety of the force is opposite the static friction, then the couch should begin sliding as the applied force overcomes the couch's static friction with what it's making contact with.
5 0
3 years ago
gThe acceleration of gravity at the surface of Moon is 1.6 m/s2. A 5.0 kg stone thrown upward on Moon reaches a height of 20 m.
noname [10]

Answer:

(a) 8 m/s

(b) 5 s

Explanation:

(a)

Using newton's equation of motion,

v² = u²+2gs ..................... Equation 1

Where v = final velocity, u = initial velocity, g = acceleration due to gravity at the surface of moon, s = height reached.

make u the subject of the equation,

u² = v²-2gs

u = √(v²-2gs)................ Equation 2

Note: As the stone is thrown up, v = 0 m/s, g is negative

Given: v = 0 m/s, s = 20 m, g = -1.6 m/s²

Substitute into equation 2

u = √(0-2×20×[-1.6])

u = √64

u = 8 m/s.

(b)

Using,

v = u+ gt

Where t = time of flight to reach the maximum height.

Make t the subject of the equation,

t = (v-u)/g................................... Equation 3

Given: v =  0 m/s, u = 8 m/s, g = - 1.6 m/s²

Substitute into equation 3

t = (0-8)/-1.6

t = -8/-1.6

t = 5 seconds.

6 0
3 years ago
A uranium nucleus is traveling at 0.94 c in the positive direction relative to the laboratory when it suddenly splits into two p
Lapatulllka [165]

Answer with Explanation:

We are given that

Velocity of uranium=v=0.94 c

Speed of piece A relative to the original nucleus=u'_A=0.43c

Speed of piece B relative to the original nucleus=u'_B=0.34c

Velocity of piece A observed by observer

u_A=\frac{u'_A+v}{1+\frac{u'_A v}{c^2}}

Substitute the values

u_A=\frac{0.43c+0.94c}{1+\frac{0.43c\times 0.94c}{c^2}}

u_A=\frac{1.37c}{1+0.4042}=0.98c

Velocity of piece B observed by observer

u_B=\frac{0.34c+0.94c}{1+\frac{0.34c\times 0.94c}{c^2}}

u_B=\frac{1.28c}{1+0.3196}

u_B=0.97 c

The velocity of piece A and piece B as measured  by an observer in the laboratory are not same.

5 0
3 years ago
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