3509 Questions for the topic physics

9h

A 10kg rock starts from point A moving 10m/s and by point b is moving at 4m/s. It goes 2m straight, across a 4m ramp thats 2m high, and goes 1 more meter before point b. What if force of friction?
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9h

A 57 kg girl skies down a 240 meter frictionless slope. What is her Velocity 100 meters from the bottom? What is her kinetic energy 100 meters from the bottom?
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9h

A man with mass m goes down distance d at velocity v. What is the equation to find the net work of all forces that are being applied?
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9h

A slingshot with a spring constant of 40n/m has a .2 kg pebble in it. Its pulled back .3m at an intial height of 0. What is the max velocity and max height.
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23h

Once the block is sliding across the table at a constant velocity of 2.3 m/s, what is the magnitude of the net force acting on the block?
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1d

Kinetic Friction Problem
A hockey puck is given an initial velocity of 40.8 m/s along the ice. Find the speed of the puck 1.06 s later if the coefficient of kinetic friction between puck and ice is 0.594. (HINT: The result... more
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1d

Components of Vectors
Three vectors A, B, and C have the following components: Ax = 5.45, Ay = 6.44; Bx = 3.84, By = -3.00; Cx = -2.00, Cy = 5.00.(a) Find the x and y components of A + B + C. x-component ... more
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1d

Vectors in X and Y
A certain vector A, of magnitude 4.98 units, points in a direction 32.0° to the left of the negative y-axis. Find Ax and Ay. Ax = units Ay = units
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1d

Determining Total Displacement
A traveler first drives 21.0 km east, then 27.3 km southeast, and finally 10.8 km south. Find the traveler's total displacement. magnitude direction south of east
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1d

Physics Rock Projectile

A rock is thrown from the edge of a cliff to the ground 17.0 m below. The rock has an initial velocity of 20.0 m/s, directed 35.0° above the horizontal.(a) How long does it take the rock to reach... more
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2d

Find the particle's average acceleration.
The initial and final velocities of a particle are shown in the figure below. Find the particle's average acceleration if the change in velocity takes place in a 15.9 s interval. (Let vi = 31.0 m/s... more
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2d

Physics- Projectile Motion

A fox fleeing from a hunter encounters a 0.600 m tall fence and attempts to jump it. The fox jumps with an initial velocity of 7.75 m/s at an angle of 45.0°, beginning the jump 1.89 m from the... more
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2d

A 38-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.30, and the coefficient of kinetic friction is 0.20.

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2d

Billy kick the football from a starting height of 1 m if the ball goes 40 m high what velocity did the ball leave Billy’s foot?
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3d

A car is traveling at 61 mph. The car tire has a diameter of of 26 inches. At what rate is the tire rotating, measured in revolutions per minute?
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3d

A tractor tire has radius of 30 inches. If the tire is rotating at 80 degrees per second (9/2 seconds to make a full revolution) how fast is the tractor traveling in miles per hour?
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3d

Is Physics Useful?
Can anyone honestly tell me how this is beneficial to my success after high school if i don't plan on pursuing this particular field.
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3d

Find Work done.
Force acts downwards on a body such that it is tangential to the surface to the hill. And the velocity of the body is constant.the length of the base of hill is "L" And friction constant is "mu".... more
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4d

Determining the time constant of a circuit
A 220 μF capacitor is charged to a potential difference of 8.0 V and then discharged through a resistor of resistance 1.2 MΩ. What is the time constant and initial current of the circuit?
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5d

I am having problems figuring out this Physics question Please Help
Three particles of equal charge (4.5uC) are placed at the vertices of an equilateral triangle with sides of 6.0cm. Determine the strength of the electrostatic field and the electrostatic force at... more
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6d

What would be the maximum height for a projectile launches at a speed of 40.0 m/s at an angle of 60 degrees
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6d

What mass of gas was ejected? What are the astronaut’s new mass and speed?
an astronaut of mass 80.0 kg (which includes her backpack) is on a trajectory far above the moon’s surface, moving 10.0 m/s upward at an angle of 60° with the horizontal. a short burst of... more
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6d

how do u find the velocity when your given height, mass and 2 radius
A 0.042 kg block is at the top of a frictionless track of height of 1.3 m. the block slides down the track and goes around a vertical track loop of radius of 0.25 m. it exits that loop and then... more
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6d

An unknown substance with a mass of 100 grams absorbs 1000 J while undergoing a temperature increase of 15 degrees Celsius what is the specific heat of the substance

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6d

An unknown substance with a mass of 100 grams absorbs 1000 J while undergoing a temperature increase of 15 degrees Celsius what is the specific heat of the substance

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