Questions LLC
Login
or
Sign Up
Ask a New Question
Mechanics
Page 2
Questions (40,149)
The velocity of a particle on the x-axis is given by the differential equation dx/
dt= t^2/ 2 and the particle is at x = 4 when t
6 answers
asked by
John
1,858 views
State the physical quantities one has to measure in order to determine the young's modulus of a wire?
7 answers
asked by
Ashwariyya
3,143 views
A mechanic uses a chain and block to lift a 875-kg engine 4.00 m to the top of the garage. The downward force in the chain over
5 answers
asked by
Holly
4,416 views
A stone was dropped off a cliff and hit the ground with a speed of 120 ft/s. Using the fact that acceleration due to gravity is
5 answers
asked by
Cole
10,997 views
Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle. .63m in
5 answers
asked by
shai
9,998 views
Two masses are hung are connected by a light cord and hung from a frictionless pulley of negligible mad are shown. Mass
6 answers
asked by
Kam
8,064 views
A particle moves along a line so that at time t, where 0<=t<=pi, its position is given by
s(t)= -4cost-((t^2)/2)+10 What is the
7 answers
asked by
Rachel
13,065 views
A man mass 75 kg and a boy mass 25 kg dives off the end of a boat of mass 300 kg so that their relative horizontal velocity with
5 answers
asked by
sjeba
3,178 views
A spring sketch by 6cm when supporting a load of 15N? By how much would it stretch when supporting a load of 5Kg
7 answers
asked by
Purity
3,070 views
A spring of natural length 30cm is stretched to 35cm by a load of 15N. Calculate the extension produced,the elastic constant of
5 answers
asked by
Anonymous
1,294 views
A 1200 kg car is moving at 95 km/h when the driver notices a deer down the road. He immediately moves his foot toward the brake
5 answers
asked by
Caroline
6,463 views
The cannon on a pirate ships shoots cannon balls with a speed of 350 m/s (the muzzle velocity). The cannon can be adjusted to
7 answers
asked by
Tyger2020
2,997 views
A 0.5kg cart connected to light spring for which the force constant is 20 Nm on horizontal frictionless air track. Calculate the
5 answers
asked by
Anonymous
7,597 views
find the mass of a cylindrical iron pipe 2.1m long and 12cm in external diameter,of the metal is 1 cm thick and of density
4 answers
asked by
Boye-Akelemor
492 views
Skyscrapers sway in high-wind conditions. in one case, at t=2s, the top floor swayed 30cm to the left (-30cm), and at t=12, the
5 answers
asked by
Allison
3,140 views
A 1.00-kg duck is flying overhead at 1.50 m/s when a hunter fires straight up. The 0.010 0-kg bullet is moving 100 m/s when it
4 answers
asked by
jillian
5,308 views
A radar gun was used to record the speed of a car (in feet per minute) during selected times in the first 2 minutes of a race.
5 answers
asked by
Deondre
4,142 views
A uniform rod of mass of 120g and a length of 130cm is suspended by a wire from a point 80cm from the rods left end . What mass
4 answers
asked by
Anonymous
299 views
which term best describes the force exerted on the structural parts of a building?
a. density b. load c. weight d. gravity
7 answers
asked by
no name
724 views
A box of mass m = 6kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One piece,
6 answers
asked by
Shahab Mirza
4,499 views
An oil tank is 3m long, 3 m wide and 2 m high, when it is full of coconut oil specific gravity of 0.90, find the downward force
5 answers
asked by
mmmm
2,271 views
A mass is oscillating with amplitude A at the end of a spring.
How far (in terms of A) is this mass from the equilibrium position
5 answers
asked by
Joe
4,995 views
A ball is thrown towards a vertical wall from a point 2m above the ground and 3m from the wall. the initial velocity of the ball
8 answers
asked by
ridhi
3,171 views
Forces with magnitudes of 250 pounds and 130pounds act on an object at angles 45degrees and -60degrees respectively with the
4 answers
asked by
Anonymous
4,603 views
a rope is strung between two cliffs. A mountain climber weighing 100 kg is halfway across the rope when the rope forms an angle
7 answers
asked by
Kathleen
5,134 views
A 10kg mass is supported by two strings of length 5 m and 7 m attached to two points in the ceiling 10 m apart. Find the tension
7 answers
asked by
Simba
7,306 views
A ball rolls down an inclined track 2m long in 4s.find time taken to cover the second metre of the track
7 answers
asked by
Anonymous
7,531 views
A golf ball was hit and projected in an angle of 60 degrees with the horizontal. if the initial velocity of the ball was 50m/s,
6 answers
asked by
YellowCorn
14,457 views
A machine has a velocity ratio of 6 and an efficiency of 75%. Calculate the effort needed to raise a load of 90N
7 answers
asked by
Mojeed
2,886 views
A 4.0 kg object is lifted 1.5 m. (a) how much work is done against the earth's gravity ? (b) repeat if the object is lowered
7 answers
asked by
jack
7,711 views
A spring is stretched 40mm by force 15N, what is the work done by the force
9 answers
asked by
Issa
5,386 views
I was wondering if my answers are correct.
1. A 50kg person is taking a ride on an elevator travelling up at a steady speed of
7 answers
asked by
Liz
5,074 views
A 1200 lb sleigh is pulled along a horizontal surface at uniform speed by means of a rope that makes an angle of 30 degrees
5 answers
asked by
Lian
3,946 views
Consider the line passing through the center of the cue ball as the x axis. At the point of collision with the solid ball on the
4 answers
asked by
Janice
1,024 views
An elastic string of length 20cm extends to 24cm when it supports a weight of 50N. Calculate the energy stored in the string.
5 answers
asked by
Shola
1,624 views
variable force given as F→=2yi^+7xj^ moves a particle along a parabolic given as y=3x2 from the origin (0, 0) to a point (3,
1 answer
asked by
LørdySmårt1SS
66 views
A machine has a velocity ratio of 6 and is 80% efficiency.What effort would be needed to lift a load of 300 with the help of
6 answers
asked by
Bright
4,930 views
A 40 kg ball is pukled to one side until it is 1.5 above itd lowest point. What will be its velocity as it passes through its
5 answers
asked by
Merely
4,210 views
A 61-kg skier, coasting down a hill that is an angle of 23 to the horizontal, experiences a force of kinetic friction of
5 answers
asked by
Tristan
4,147 views
An object weighs 15N in air and 13N when submerged in water. What is the density of the object.
5 answers
asked by
Striker
6,462 views
A body oscillates with simple harmonic motion along the x-axis. Its displacement varies with time according to the equation x=5
5 answers
asked by
veena
5,232 views
A load of 100 lb is hung from the middle of a rope, which is stretched between two rigid walls 30 ft apart. Due to the load, the
4 answers
asked by
pinkmiming
7,035 views
Emily and Clare kick a soccer ball at the same time. Emily kicks it with a force of 120 N at an angle of 60 degrees and Clare
6 answers
asked by
Bobby
2,688 views
A block and tackle having a velocity ratio of 5 is used to raise a load of 400N through a distance of 10m. If the work done
6 answers
asked by
Michael Nyame
3,633 views
A spiral spring extends from length 10.01m to 10.00cm when a force of 20N is applied on it. Calculate the constant force
14 answers
asked by
lola
4,636 views
a 3200-lb elevator cab is supported by a cable in which the maximum safe tension is 4000 lb. (a)what is the greatest upward
4 answers
asked by
esther
1,933 views
A car traveling 16.0m/s crashes into concrete embankment and stops in 0.08s. Calculate:
the initial speed in mi/hr the average
4 answers
asked by
MARIE
853 views
A flywheel of moment of inertia 0.32 kgm^2 is rotated steadily at 120rad/s by a 50 W electric motor. (i)find the kinetic energy
4 answers
asked by
Edwin
4,706 views
A body is displaced through a certain distance x by a force of 30 newtons.if the work done is 100 joules and the displacement is
21 answers
asked by
CHIDIEBERE
8,095 views
1. Determine the effort required to lift a load of 100 N using:
(a) Using a single fixed pulley (b) A single movable pulley (c)
5 answers
asked by
Mustafa khamis shaaban
371 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (43)
Automotive
Automotive Services
Car Repair
Dynamics
Engineering
Engineering and Technology
Force
Forces
Forces and Motion
Game Design
Gaming
Horseshoes
Kinetic Energy
Language Arts
Language/Communication
Math
Mathematics
MDA Framework
Motion
Physical Science
Physical Sciences
Physics
Physics and Astronomy
Physics and Engineering
Physics and Mathematics
Physics Education
Physics or Science
Physics/Energy and Forces
Physics/Engineering
Physics/Mathematics
Physics/Science
Professional Services
Relativity
Science
Science and Engineering
Science and Physics
Science and Technology
Science or Physics
Science/Engineering
Science/Physics
Statics
Technology
Work and Energy