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Natali [406]
3 years ago
14

Joanne drives her car with a mass of 1000 {\rm kg} at a speed of 23m/s .

Physics
1 answer:
rosijanka [135]3 years ago
5 0
F = ma = 1000*(23-0)/14 = 1642.86 N
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Question 4 (1 point)
NNADVOKAT [17]

Answer: 0.42 Amperes

Explanation:

Given that:

Current, I = ?

Electric charge Q = 100 coulomb

Time, T = 4.0 minutes

(The SI unit of time is seconds. so, convert 4.0 minutes to seconds)

If 1 minute = 60 seconds

4.0 minutes = 4.0 x 60 = 240 seconds

Since electric charge, Q = current x time

i.e Q = I x T

100 coulomb = I x 240 seconds

I = 100 coulomb / 240 seconds

I = 0.4167 Amperes (round to the nearest hundredth which is 0.42 amperes)

Thus, 0.42 Amperes of current flows in the circuit.

6 0
3 years ago
Calculate the average speed (in km/hr) of Charlie whonruns to the store 4 km away in 30 minutes
max2010maxim [7]
I don't know the answer to that
4 0
3 years ago
The horizontal component of a force p which makes a angle of 50 with the vertical is 50. find the force of p​
stealth61 [152]

Answer:

65.3

Explanation:

8 0
3 years ago
Can anyone plz help me ​
Alekssandra [29.7K]

Answer:

1.) volume = 8 cm^3

2.) density = 2.6 g/cm^3

Explanation:

1.) volume =

side {}^{3}

=》

{2}^{3}

=》

8 \: cm {}^{3}

2.) density =

\frac{mass}{volume}

=》

\frac{20.8}{8}

=》

2.6 \: g \: cm {}^{ - 3}

density = 2.6

3 0
3 years ago
Is it true that the cell theory states that cells are produced by non living cells
sergeinik [125]
The cell theory states that:

1) All living organisms are composed of one or more cells.

2) The cell is the basic unit of structure and organization in organisms.

3) Cells arise from pre-existing cells.

Your statement is not present, so the answer would be no.

♧
5 0
3 years ago
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