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Physics
Page 61
Questions (147,032)
A three-kilogram cannonball is shot out of a cannon with an initial velocity of 300 m/s at a 25o angle. A headwind exerts a
4 answers
asked by
Dennis
562 views
Calculate the work done by a stone mason in lifting of a mass of 15kg through a height of 2.0m to 200cm
4 answers
asked by
Delvin
365 views
A bullet with a mass of 10. g is fired from a rifle with a barrel that is 85 cm long.
a. Assuming that the force exerted by
4 answers
asked by
Nevaeh
1,722 views
a steel meter rule has correct lenght at 28 degree celcius on the day the temparature is 40 degree celicius,it measures the
4 answers
asked by
covenant
541 views
Two identical cars
approach an intersection at the same speed at the same time as shown in the diagram. Car A takes a left turn
4 answers
asked by
james
1,294 views
use formula v=u +at to find the velocity when the initial velocity is 3m/s, the acceleration is 1.5m/s2, the time is 7 seconds
5 answers
asked by
kate
2,888 views
A charge with a value of 3.0 x 10-5 C is located 2.5 cm from a charge with a value of 6.5 x 10-5 C. Determine the distance from
4 answers
asked by
Arnold
1,219 views
A 48-N object floats in a pool. If 75% of the volume of the object is immersed in the water, which statement is true about the
4 answers
asked by
Idali
2,031 views
A thin-walled sphere rolls along the floor. What is the ratio of its translational kinetic energy to its rotational kinetic
4 answers
asked by
Gigi
2,716 views
A 56.9 kg sledder descends an 8.21-meter high hill, encountering a friction force of 11.7 N, Fill in the blanks and determine
4 answers
asked by
Anonymous
2,805 views
A Ball of Mass 0.5kg Moving At 10m/s Collide With Another Ball Of Equal mass At Rest.If The Two Balls Move Together After The
6 answers
asked by
Physics
2,889 views
SO CONFUSED PLEASE HELP!!!
A certain radio wave has a wavelength of 7 inches. a. convert the wavelength of this radio wave into
4 answers
asked by
Clarissa
2,403 views
What creates a magnetic field?
A. charged particles that do not move B. moving electric charges C. gravity D. an isolated
10 answers
asked by
sid
2,451 views
A ball of mass 400g is thrown with an initial velocity of 30.0 ms-1 at an angle of 45.0 degrees to the horizontal.air resistance
4 answers
asked by
chancy
1,633 views
A physicist converted 2 kg of water at 37 degrees celcius to steam at 100 degrees celcius. Assuming no heat is lost, calculate
4 answers
asked by
i need help
1,983 views
You fire your potato gun horizontally from shoulder height, which is 190 cm above the ground. The potato strikes the ground 30 m
4 answers
asked by
sonya
1,262 views
A wind turbine has blades that sweep an area of 2000m2. It converts the power available in the
wind to electrical power with an
4 answers
asked by
Me
3,456 views
using a powerful air gun, a steel ball is shot vertically upward with a velocity of 80 m/s, followed by another shot after 5
4 answers
asked by
Astro
2,240 views
Vanessa can swim 3.0 m/s in still water. While trying to swim directly across a river from west to east, Vanessa is pulled by a
4 answers
asked by
Kailey
2,286 views
6. When a mass is attached to a spring, the period of oscillation is approximately 2.0 seconds.
When the mass attached to the
4 answers
asked by
Alex
1,129 views
A positive charge of 1.5x10^-8 C experiences a force of 0.025 N to the left in an electric field. What are the magnitude and
4 answers
asked by
george
1,865 views
A power plant has a power output of 1055 MW and operates with an efficiency of 33.0 percent. Excess energy is carried away as
4 answers
asked by
ricki
2,224 views
a bob vibrates up and down on a vertical spring. if the period of the motion is two seconds, the frequency is: two seconds. i
4 answers
asked by
Rebecca
2,395 views
A surfing physicist paddles out beyond the breaking surf to a deep-water region where the ocean waves are sinusoidal (can obey a
4 answers
asked by
Adam
1,314 views
four identical metallic objects carry the following charges: 1.6, 6.2, -4.8, and -9.4 μC. the objects are brought
4 answers
asked by
kim
1,905 views
A plane progressive wave is represented by the equation: y= 0.1sin(200pi(t)-20pi(x/17) where y is the displacement in
4 answers
asked by
Edwin
1,905 views
Newton's Law of Gravitation says that the magnitude F of the force exerted by a body of mass m on a body of mass M is the
4 answers
asked by
Josh
2,675 views
A child's game consists of a block that
attaches to a table with a suction cup, a spring connected to that block, a ball, and a
5 answers
asked by
rachel
4,831 views
A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is
4 answers
asked by
Mary
11,155 views
Two crates, one with mass 4.00 kg and the other with mass 6.00 kg, sit on the frictionless surface of a frozen pond, connected
4 answers
asked by
Jae
889 views
What is the horizontal and vertical components of a cat's displacement when it has climbed 5 m directly up a tree?
3 answers
asked by
Ashkan
638 views
What is the value of a charge if moving it 0.692m opposite to the direction of a 3470N/C electric field to store 5.53J?
a) 434C
4 answers
asked by
anon
468 views
What force would be required for Steve to do as much work when he pushes at ϕ=40∘ as when he pushes in the ϕ=0 direction?
4 answers
asked by
Anonymous
1,916 views
In the diagram below, a water wave having a speed of 0.25 meter per second causes a cork
to move up and down 4.0 times in 8.0
4 answers
asked by
tom
2,023 views
A mass of 0.5kg is attached to a spring. The mass is then displaced from its equilibrium position by 5cm and released. Its speed
4 answers
asked by
Delailah
1,736 views
what is the critical angle for light passing from(n=1.54) to (n=1.33)
4 answers
asked by
Evans
2,465 views
Your friend doesn't believe you when you tell her that the acceleration due to gravity on earth is the same for both light and
4 answers
asked by
Morgan
584 views
A driver takes off with a speed of 10m/s from a 5m high diing board at 30° above the horizontal how much later doesh she strike
4 answers
asked by
Shaun
1,104 views
A ball is thrown upward with speed 12m/s from the top of a building. How much later must a second ball be dropped. From the same
4 answers
asked by
Majiri
1,712 views
Two resistors of resistances 3 ohms and 6 ohms are connected in a parallel across a 9 V battery. What is the equivalent
6 answers
asked by
Sam
4,275 views
A wheel mounted on a stationary axle starts at rest and is given the following angular acceleration: 9-12t where t is the time
4 answers
asked by
Happinessdelight
2,557 views
What is the density of a fuel of relative density 0.72
4 answers
asked by
ogu
780 views
A 400-gram package lying on a horizontal surface is attached to a horizontal string which passes over a smooth pulley. When a
4 answers
asked by
Rheabelle
4,415 views
A 12 kg wagon is being pulled at an angle of 38degrees above horizontal. What force is applied to
the wagon if it accelerates
4 answers
asked by
I need Physics help
1,178 views
A student throws a 140 g snowball at 7.5 m/s at the side of the schoolhouse, where it hits and sticks. What is the magnitude of
5 answers
asked by
Anonymous
5,097 views
Imagine that the asteroid A that has an escape velocity of 50m/s. If asteroid B has twice the mass and twice the radius it would
5 answers
asked by
Ellie
3,059 views
find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.
4 answers
asked by
Anonymous
2,767 views
The air pressure in a tire is 2.38 atm. What is this pressure in kilopascals?
4 answers
asked by
A.C.
2,566 views
If a 100-g mass was placed at the 25-cm mark, and a 20-g mass at the 10-cm mark, where should a 500-g mass be placed to balance
5 answers
asked by
Lila
5,206 views
Approaching a flashing pedestrian activated traffic light, a driver must slow down to a speed of 30km/h. If the cross walk is
4 answers
asked by
jason
2,298 views
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