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Fofino [41]
3 years ago
10

When do we have positive/negative and zero acceleration.Write down the terms..................pls help mee

Physics
2 answers:
Andre45 [30]3 years ago
6 0
We have negative acceleration when an object projected upwards, while positive acceleration is a free fall.
dlinn [17]3 years ago
6 0

Answer:

Positive acceleration is when an object is increasing its velocity, speeding up.

Negative acceleration is when an object is decreasing its velocity, slowing down from it’s motion.

Zero acceleration is when an object is either at rest or moving without speeding up or slowing down, in a constant way.

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A car is moving on the distance 35km in the time 30minutes,stays 20 minutes,the it moves again vith the velocite 60km/h in 25 mi
FinnZ [79.3K]
Velocity = distance/time
v = (35)/(1/2)
v = 70 km/h


60 km/h for 25 minutes
25 minutes = 25/60 hour
    distance= velocity * time
d =(60) * (25/60)
d = 25 km

ΔV = { V(initial) - V(final) } / time
v= (70-60) / (45/60)
average velocity = 13.33 km/h
avg veloticy = 3.7 m/s

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8 0
3 years ago
If a 1.3 kg mass stretches a spring 4 cm, how much will a 5.8 kg mass stretch the
Likurg_2 [28]

Answer:

17.8cm

Explanation:

1.3kg --> 4cm

1kg --> 3, 1/13cm

5.8kg --> 18.8cm

6 0
3 years ago
What are the two factors that determine the density of water mass?
BigorU [14]
Temperature and salinity
5 0
4 years ago
What might you be doing if you measure your heart rate and find that it beats 100 times in a minute?
alisha [4.7K]

Answer:

Rigorous exercise

Explanation:

For your heart rate is been around 100 bpm you should be doing a rigorous exercise . but if ain't doing any rigorous exercise and your heart rate is constantly above 100 bpm you should consult your doctor.

An average heart is between 60 bpm to 100 bpm.

6 0
3 years ago
A positive symptom of schizophrenia would be
labwork [276]

Answer:

i will like to know the answer but idk

Explanation:

7 0
3 years ago
Read 2 more answers
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