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A professional boxer hits his opponent with a 1250-N horizontal blow that lasts for 0.16 s. a) what is the opponents final speed, in meters per second, if his mass is 102.5 kg and he was at rest when struck

Htuomola asked Jun 16, 2023

by Htuomola

5.3k points

1 answer

1 vote

205k views

A particle experiences a constant acceleration for 12 second after starting from rest. If it travels a distance s1 in the first four second, s2 in the next four second and a distance s3 in last four second,

Sunita asked Jun 16, 2023

by Sunita

5.0k points

1 answer

0 votes

227k views

A rock group is playing in a bar. Sound emerging from the door spreads uniformly in all directions. The intensity level of the music is 92 dB at a distance of 3.52 m from the door. At what distance is

Enriquetaso asked Jun 16, 2023

by Enriquetaso

5.6k points

1 answer

4 votes

167k views

A circuit, which includes series and parallel branches, is called a combined series-parallel circuit. Is this true or false?

Grant Paul asked Jun 16, 2023

by Grant Paul

5.4k points

1 answer

5 votes

169k views

How many kilojoules of heat must be removed to freez 35 g of water at 0c

Harsh Mishra asked Jun 16, 2023

by Harsh Mishra

5.3k points

1 answer

13 votes

22.8k views

The Rayleigh criterion states that if the bright spot of one star's image falls on _______of another star's image, the two images are at the limit of resolution.(A) any dark ring(B) the bright spot(C)

Chase Huber asked Jun 16, 2023

by Chase Huber

4.7k points

1 answer

5 votes

223k views

What are the different uses of chemical effect of electric current

Caelea asked Jun 16, 2023

by Caelea

5.7k points

1 answer

8 votes

112k views

13. The specific heat of zinc is 386 joules per kilogram per Celsius degree. The amount of heat energy required to raisethe temperature of 0.25 kilogram of zinc from 0°C to 28°C is most nearly(a) 1500

Siva Siva asked Jun 16, 2023

by Siva Siva

5.4k points

1 answer

2 votes

166k views

Contrast series and parallel circuits in terms of what they look like and how they calculate Equivalent resistance

Gurfuffle asked Jun 16, 2023

by Gurfuffle

5.0k points

2 answers

16 votes

228k views

He chart below compares the characteristics of four objects, A, B, C, and D, discovered in the solar system. Characteristics A B C D Exists in Kupier belt yes no no yes Is a moon of another object no no

Loudiyimo asked Jun 16, 2023

by Loudiyimo

5.8k points

1 answer

5 votes

182k views

What is the solubility of NaCI at 20 degrees?

Diedu asked Jun 16, 2023

by Diedu

5.6k points

1 answer

18 votes

135k views

How do we derive the expression for kinetic energy ??

Korbes asked Jun 16, 2023

by Korbes

5.3k points

1 answer

2 votes

15.6k views

An egg is dropped from a treehouse and takes 1.51.51, point, 5 seconds to reach the ground. We can ignore air resistance. What is the egg's displacement?

Ji ASH asked Jun 16, 2023

by Ji ASH

5.8k points

2 answers

1 vote

148k views

________ is a process by which small particles in the atmosphere deflect radiation from its path into different directions.

Aleyna asked Jun 16, 2023

by Aleyna

5.3k points

1 answer

24 votes

203k views

A 8 kg object is pulled horizontally in a straight line for 10 meters. If the coefficient of kinetic friction between the object and surface is 0.4, how much work is done by friction? (Remember the directions

Innominate asked Jun 16, 2023

by Innominate

5.7k points

1 answer

3 votes

226k views

Two people hear a 1700 Hz siren of an ambulance. One person is in front of the ambulance, the other is behind the ambulance. If the ambulance is travelling at 120 km/h, what is the difference in frequencies

Ahmed Rashad Mohamed asked Jun 16, 2023

by Ahmed Rashad Mohamed

5.3k points

1 answer

4 votes

230k views

A hydraulic lift raises 1140 kg car through a height of 2.4 m. What is the potential energy stored in the car?

Bluebaron asked Jun 16, 2023

by Bluebaron

5.4k points

1 answer

23 votes

26.0k views

Please help with #4, thanks so much.#1A - 294 J to lift it#1B- 40 J when they accelerate#1C - 0J at a constant speed#1D - 80J of work when Luke throws Yoda#2 - Yoda travels 0.41 m from Luke before hitting

Splines asked Jun 16, 2023

by Splines

5.2k points

1 answer

0 votes

136k views

Need a quick answer for this one.

JayZee asked Jun 16, 2023

by JayZee

5.3k points

2 answers

13 votes

152k views

What is the period and frequency of the second hand on a clock?

Vdebergue asked Jun 16, 2023

by Vdebergue

5.3k points

1 answer

9 votes

64.8k views

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