A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In which of the following situations would they both have the same momentum?

Answers

Answer 1

Answer: You haven't suggested any situations. As far as we know from the question, they're both still sitting on the shelf or in a bag somewhere, and their momenta are equal ... both zero. Momentum=(mass) x (speed). As long as the less massive ball is traveling at least twice as fast as the more massive one, its momentum is the same or greater than that of the softball.

Answer 2

Answer:

The baseball is thrown at 50 m/s and the softball is thrown at 25 m/s.

hope this helps :/

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A friend insists that electric current is the same as electrical energy. Work with a partner to develop a rebuttalagainst your friend's misconception.

Answers

Answer: The electrons flowing through the wire are referred to as a quantity of electricity, and the flow of electricity is referred to as “an electric current.”

Explanation: Hope it Helps have a blessed day

Use Newton’s First Law of Motion and the concept of inertia to explain what happens to a person in a head-on car accident who is not wearing a seat belt. How does wearing a seat belt help?

Answers

According to Newtons first law of motion, a passenger tends to continue in the state of uniform motion even after the accident which causes the passenger to move forward.

According to the Newtons first law of motion, an object will continue in a state of rest or uniform motion unless it is acted upon by an external force. This is also known as the law of inertia.

While in a car undergoing uniform motion and suddenly the car is involved in an accident which causes the vehicle stop abruptly, a person suddenly moves forward because of the tendency to continue in the former state of uniform motion according to Newtons first law.

A seat belt helps to prevent the person from suddenly moving forward in a way that may lead to injury as a result of the accident.

Learn more: brainly.com/question/974124

Answer:

Newtons first law of motion explains what happens in a car crash because it basically states that the passenger will continue to travel at the same velocity until an unbalanced force acts on he or she. The force that will act upon he or she would be the window, so you should always wear a seat belt!

Explanation:

The term "accuracy" best refers to which of the following?a. whether or not a measurement is correct
b. how "close together" a set of measurements is
c. whether or not a tool for making measurements is useful
d. how close a measurement is to an accepted value for the measurement

Answers

Answer: d. how close a measurement is to an accepted value for the measurement

Explanation:

Accuracy can be define as the quality or state of some measurement being correct depending upon the measurement, specific conformations and calculations. It refers to the closeness of the measurement to a define specific or acceptable value. It is the degree of correctness of a particular value obtain after the measurement.

D: how close a measurement is to an accepted value for the measurement.

Calculate the force needed to bring a 1,019-kg car to rest from a speed of 29 m/s in a distance of 118 m

Answers

Acceleration = ▵v/▵t
Time = d/v
Fisrt calculate time : ( 118/29 ) = 4 seconds
Then calculate acceleration
A = 29/4 = 7.25 m/s²
Now the force.
Force = mass * acceleration.
F= 1,019 * 7.25
F= 7,387 N

1. An isotope has the same ________, but a different ________ .Question 1 options:

number of protons, number of electrons

number of neutrons, number of protons

Mass number, number of protons.

Atomic number and Mass number

2.U-232
U-235
U-236
U-238

These nuclei all have a different number of

Question 2 options:

Electrons

Neutrons

Protons

Nucli
Identify the number of neutrons in one atom of sulfur with an isotopic mass number of 34 amu.

Question 3 options:

16

18

32

34

3.Identify the number of neutrons in one atom of sulfur with an isotopic mass number of 34 amu.

Question 3 options:

16

18

32

34

Answers

1:D(Atomic number, Mass number) 2:B(Neutrons) 3:b(18) hope it helps

Select all that apply.A longitudinal wave is characterized by _____.
peaks compressions dips rarefactions

Answers

A longitudinal wave ischaracterized by rarefactions. A longitudinal wave is a wave motion wherein theparticles in the wave medium are displaced parallel to the advancing wave. When motionis detected from the source, the particle next to it vibrates from its rest positionand a progressive change in phase vibration is observed at each particle withinthat wave. The result is that the energy is transported from one region to theother. These combined motions result in the movement of alternating regions of rarefactionin the direction of transport of energy.

It's characterized by both compression and rarefaction.

(the compression in front of the waves induces a rarefaction behind the wave)

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