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skad [1K]
3 years ago
8

Please help me with this question​

Physics
1 answer:
topjm [15]3 years ago
7 0

Answer:

Answer is option d

Explanation:

,Mark as brainlist

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Alvin paddled for 44 hours with a 33​-km/h current to reach a campsite. The return trip against the same current took 77 hours.
sveta [45]

Answer:

121km/h

Explanation:

Let speed of boat=xkm/h

Speed of water flow=33 km/h

Speed upstream=(x-33)km/h

Speed downstream=(x+33)km/h

Time=44 hrs

Time =77 hrs

We have to find the speed of boat.

Distance=Speed\times time

Using the formula

Upstream distance=Downstream distance

(x-33)\times 77=(x+33)\times 44

77x-2541=44x+1452

77x-44x=1452+2541

33x=3993

x=\frac{3993}{33}=121

Hence, the speed of boat=121km/h

8 0
4 years ago
During crystallisation the crystals separate out from the hot ________solution of a substance on cooling
alekssr [168]

Answer:

The process of separation or deposition of crystals from a hot saturated solution on gentle cooling of the solution is called 'crystallisation'.

Explanation:

6 0
3 years ago
As stream velocity decrease, which factor will likely increase?
stepan [7]
I think the answer is c
6 0
4 years ago
Read 2 more answers
Can some help me, please?
cestrela7 [59]

Answer:

1. Transform Boundary

2.  Continental-continental convergent boundary

3. Oceanic-Oceanic Divergent boundary

Explanation:

8 0
3 years ago
A chlorine atom reacts with a sodium atom to form sodium chloride, NaCl A chlorine atom can also react with another chlonne
sammy [17]

Answer:hydrogen peroxide

Explanation:

7 0
4 years ago
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