Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Physics Expert

Q1. Which of the given comprises the biggest momentum relative to the earth?

a) Pickup truck speeding all along a highway.
b) The science building on the campus.
c) A tightrope walker crossing the Niagara falls.
d) A dog running down the street.
e) A Mack truck parked in the parking lot.

Q2. A rifle re-coils while firing a bullet. The speed of rifle’s recoil is small since:

a) Rifle has much more mass than bullet.
b) Momentum of rifle is smaller.
c) Momentum is mostly concentrated in the bullet.
d) The force against the rifle is smaller than against bullet.

Q3. In order to catch a ball, a baseball player extends the hand forward before the impact with ball and then lets it ride backward in the direction of ball’s motion…Doing this decreases the force of impact on player’s hand principally since the:

a) Time of impact is raised.
b) Time of impact is reduced.
c) Relative velocity is less.
d) Force of impact is decreased.
e) None of these

Q4. Padded dashboards in cars are safer in an accident that the non-padded ones since of occupant hitting the dash consist of:

a) Raised time of impact
b) Raised momentum
c) Reduced impulse
d) Reduced time of impact

Q5. A 4 kg ball consists of momentum of 12kg m/s. what is ball’s speed?

a) 4m/s
b) 48 m/s
c) 3 m/s
d) 12 m/s
e) None of these

Physics, Academics

  • Category:- Physics
  • Reference No.:- M99840

Have any Question? 


Related Questions in Physics

The bay of fundy in canada has the largest tides in the

The Bay of Fundy in Canada has the largest tides in the world. The difference between low and high water levels is 15 meters (nearly 50 feet). At a particular point the depth of the water, y meters, is given as a functio ...

What is the magnitude of the temperature

What is the magnitude of the temperature change |ΔT|= 12.6 K in degrees Fahrenheit?

Unreasonable resultsthe manufacturer of a smoke alarm

Unreasonable Results The manufacturer of a smoke alarm decides that the smallest current of α radiation he can detect is 1.00 µA . (a) Find the activity in curies of an α emitter that produces a 1.00 µA current of α part ...

The gravitational attraction f between the earth and a

The gravitational attraction, F, between the earth and a satellite of mass m at a distance r from the center of the earth is given by where M is the mass of the earth, and G is a constant. Find the rate of change of forc ...

1 sketch to scale the longitudinal and transverse

1. Sketch to scale the longitudinal and transverse displacement waves on a monoatomic one-dimensional lattice at a wavelength of λ-4a. Locate the vibration frequency of these two acoustical modes on the ω q  -q diagram s ...

Many texts draw figure 81 in the form of a venn diagram

Many texts draw figure 8.1 in the form of a Venn diagram (figure 8.2). Discuss why this diagram is a misleading representation of entropies. Hint: consider the three-variable ensemble XY Z in which x ∈ {0, 1} and y ∈ {0, ...

Is there any relationship between the probability

Is there any relationship between the probability distribution of the time taken for all trajectories to coalesce, and the equilibration time of a Markov chain? Prove that there is a relationship, or find a single chain ...

Consider the function fx a find and sketch fx and the

Consider the function f(x) = . (a) Find and sketch f(x) and the tangent line approximation to f(x) near x = 4. (b) Compare the true value of f(4.1) with the value obtained by using the tangent line approximation. (c) Com ...

Calculate the net force on yournbsp05-cm2nbspeardrum that

Calculate the net force on your 0.5-cm2 eardrum that air exerts on the inside and the outside after you drive from Denver, Colorado (elevation 1609 m) to the top of Pikes Peak (elevation 4301 m). Assume that the air pres ...

Explain the difference between social movements organized

Explain the difference between social movements organized around regressive and progressive social change. Give an example of each.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro