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antiseptic1488 [7]
3 years ago
10

3. A car going 22m/s accelerates to pass a truck. Five seconds late the car is going 35m/s. Calculate the acceleration of the ca

r.​
Physics
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

57

Explanation:

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A proton and an alpha particle (q = +2e, m = 4 u) are fired directly toward each other from far away, each with an initial speed
stich3 [128]

Answer:

Distance of closest approach, r=1.91\times 10^{-14}\ m

Explanation:

It is given that,

Charge on proton, q_p=e

Charge on alpha particle, q_a=2e

Mass of proton, m_p=1.67\times 10^{-27}\ kg

Mass of alpha particle, m_a=4m_p=6.68\times 10^{-27}\ kg

The distance of closest approach for two charged particle is given by :

r=\dfrac{k2e^2(m_p+m_a)}{2m_am_pv_p^2}

r=\dfrac{9\times 10^9\times 2(1.6\times 10^{-19})^2(1.67\times 10^{-27}+6.68\times 10^{-27})}{2\times 6.68\times 10^{-27}\times 1.67\times 10^{-27}(0.01\times 3\times 10^8)^2}

r=1.91\times 10^{-14}\ m

So, their distance of closest approach, as measured between their centers 1.91\times 10^{-14}\ m. Hence, this is the required solution.

4 0
3 years ago
Assume that both the supply of and the demand for a good are relatively price elastic. The imposition of a per-unit excise tax o
sergey [27]

Answer:P:Increase Q:Decrease

Explanation: The price of the product will increase as the imposed per-unit excise tax on the sale of the good. This is true for both Perfectly-elastic and relatively elastic products.

The quantity demanded of the product will decrease as the price of the product increases, this his is true for both Perfectly-elastic and relatively elastic products. It will follow the law of Demand and Supply.

5 0
4 years ago
Read 2 more answers
Which element is not part of the rhetorical triangle designed by Aristotle? speaker credibility audience emotion content logic l
ser-zykov [4K]
The correct answer is this one: "length of address." The element that is not part of Aristotle's rhetorical triangle is the length of the address. The rhetorical triangle of Aristotle are the logos, pathos, and ethos. Logos is the logic, Pathos is the audience emotion, Ethos is the speaker's credibility.
3 0
3 years ago
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Advances in genetic engineering show that it is possible to:_____________. 1. enhance learning and memory ability in nonhuman or
san4es73 [151]

Answer:

1. enhance learning and memory ability in nonhuman organisms.

Explanation:

Genetic engineering can be defined as the process by which scientists modify the genome of an organism using new molecular tools. The resulting organism after the modification is known as Genetically Modified Organisms (GMO).

To create this genetically modified organisms requires recombinant DNA.

Advances in genetic engineering show that it is possible to enhance learning and memory ability in nonhuman organisms through biotechnology.

3 0
4 years ago
You push your bike with an average pedaling force of 150N over a distance of 20 m going uphill. How much energy have you transfe
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Answer:

jojo reference

Explanation:

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