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

An elevator is moving downwards at 4ms when suddenly

An elevator is moving downwards at 4m/s when suddenly someone hits the stop button and it travels another 2.9 m before coming to a rest. please solve for the acceleration and the change in time.

Collect data for a wind power site being considered for the

Collect data for a wind power site being considered for the installation of a small power plant. Develop a computer program to estimate the average speed, the root mean cubic speed, the cubic power density, and the cubic ...

In principle the equilibrium electric potential variation

In principle, the equilibrium electric potential variation in problem Problem 2 and the equilibrium electric potential difference in problem Problem 1 cannot be measured? Why? How can they be measured approximately? Prob ...

A magnetic field has a magnitude of 000094 t and an

A magnetic field has a magnitude of 0.00094 T, and an electric field has a magnitude of4.3 × 103N/C. Both fields point in the same direction. A positive 1.6-μC charge moves at a speed of 3.3 × 106 m/sin a direction that ...

Nerve impulses in the human body travel at a speed of about

Nerve impulses in the human body travel at a speed of about 100 m/s. A 1.6 m tall man accidentally drops a hammer on his toe. How long does it take for the nerve impulse to travel from his toe to his brain?

A snowboarder on a slope starts from rest and reaches a

A snowboarder on a slope starts from rest and reaches a speed of 1.1 m/s after 8.2 s. (a) What is the magnitude of the snowboarder's average acceleration? m/s2 (b) How far does the snowboarder travel in this time?

Example linkedin how you can take advantage of professional

Example: LinkedIn. How you can take advantage of professional networking organizations in your career and work. Discuss your experience with your selected professional networking group.

Graph the functions described in parts a-da first and

Graph the functions described in parts (a)-(d). (a) First and second derivatives everywhere positive. (b) Second derivative everywhere negative; first derivative everywhere positive. (c) Second derivative everywhere posi ...

Give the effective self-exciting capacitance at 1900 rpm

Give the effective self-exciting capacitance at 1900 rpm and 60 Hz of an induction generator having a rated self-exciting capacitance of 180 μF and a load connected across its terminals of RL = 50 Ω and L = 0.05 H. What ...

Winning the war on poverty has been described cynically as

"Winning the war on poverty" has been described cynically as slowing the rate at which people are slipping below the poverty line. Assuming that this is happening: (a) Graph the total number of people in poverty against ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen