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lesya692 [45]
3 years ago
7

HELP ASAP

Physics
2 answers:
bija089 [108]3 years ago
6 0

Answer: Its more better bc the modern car has more protection.

Explanation:Hope this helps.

professor190 [17]3 years ago
5 0

Modern vehicles tend to have more safety measures, such as more efficient airbags and seatbelts, which can prevent some deadly injuries that come from car crashes. Older vehicles don't have as many safety features due to the lack of technology.

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According to ohm's law what is the resistance of a light bulb if the applied voltage is 21 volts and the current is 3 amps?
Nady [450]
Resistance = voltage/current = 21/3 = 7Ω
6 0
3 years ago
Betty is sitting on of her surfboard out in the ocean. She is waiting for the perfect wave to come along so she can ride it in t
givi [52]

Crest is the part of the wave which does this.

A sound wave is the sample of disturbance resulting from the movement of strength visiting through a medium, including air, water or every other liquid or stable remember as it propagates far from the supply of the sound.

The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium. because the supply continues to vibrate the medium, the vibrations propagate far from the supply at the rate of sound, hence forming the sound wave.

A sound wave is not a transverse wave with crests and troughs, however alternatively a longitudinal wave with compressions and rarefactions.

Learn more about wave here:- brainly.com/question/1199084

#SPJ1

7 0
1 year ago
If Isaiah is driving his new car on the highway, and goes 103.5 meters in 5.5 seconds,
Andrej [43]

Answer:

103.5m/5.5s= 18.8m/s

Explanation:

Formula for finding velocity average is:

v average= change in x(meters)/ change in time(seconds).

4 0
3 years ago
A car initially moving at 10 m/s accelerates to 20 m/s. By what factor does the momentum change?
marin [14]

Answer:

2 times

Explanation:

Given:

u = 10 m/s

v = 20 m/s

To Find:

Factor of change in Momentum = ?

Solution:

Final Momentum = mv

Final Momentum = m(20)

Final Momentum = 20m

Initial Momentum = mu

Initial Momentum = m(10)

Initial Momentum = 10m

Therefore, Factor of change in Momentum = 20m / 10m = 2 times

PLZ MARK ME AS BRAINLIEST!!!

6 0
3 years ago
Henry ran a 100 m race. Use the graph to answer the following:
horrorfan [7]

Using the graph, which describes how Henry ran the 100m race;

a) It takes Henry 20seconds to run 100m

b) Henry's average speed over the race is; 5m/s.

According to the linear graph which describes the distance ran by Henry during the 100m race as a function of time.

a) Since the distance from start ran by Henry is plotted on the vertical axis, and the time is plotted on the horizontal axis;

To determine how long it took Henry to run 100m; The point corresponding to 100m is traced downward from the line of the graph and we find out that;

It takes Henry 20seconds to run 100m

b) Henry's average speed over the race is simply;

The slope of the distance-time graph.

Therefore,

  • Average speed = (100-0)/(20-0)

  • Average speed = 100/20

  • Average speed = 5m/s.

Therefore, Henry's average speed over the race is; 5m/s.

Read more:

brainly.com/question/22125199

6 0
2 years ago
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