Belisario G.

Physics

10/28/20

A solid cylinder of radius 1.3 m and mass 4.1 kg is at rest. A 4.0 N m torque is applied to the cylinder about an axis through its centre.

Calculate the angular velocity of the cylinder, in rad s-1 , after the torque has been applied for 2.0 s.

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Physics

10/28/20

An object with a weight of 600 Newtons rests on the floor. What force is the floor exerting on the object?

A. 0 newtonB. 300 newtons downwardC. 600 newtons downD. 600 newtons upwards

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Physics

10/28/20

An arrow is given an initial velocity from the bow with which it is shot. Assuming that the air resistance is negligible, once the arrow leaves the bow,

A. it requires another force to keep it moving.B. it accelerates horizontally until it stops moving.C. it moves with a positive vector to the ground.D. the only force acting on it is the force of... more

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Science Physics Forces

10/28/20

Calculating spring constant experientially with the methods of compression and collision (the question on the experiment is bolded in the description)

In an experiment, the spring constant (k) was calculated by gathering data on force and displacement from a compression (Part 1) and a collision (Part 2). In both parts, the spring constant (k) was... more

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Math Calculus

10/28/20

Mickey’s snow cone has completely melted. It is in a cup that has the shape of a right cylindrical cone.

Mickey’s snow cone has completely melted. It is in a cup that has the shape of a right cylindrical cone. This super-sized cup is 8cm across and 14 cm deep. As the snow cone melts, it leaks out of... more

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Physics

10/28/20

The cliff is 110 meters tall and the target is 21 meters away from the base of the cliff. The string is 0.55 meters long. Jim is spinning it overhead at a constant rate, holding it 1.6 meters high.

The cliff is 110 meters tall and the target is 21 meters away from the base of the cliff. The string is 0.55 meters long. Jim is spinning it overhead at a constant rate, holding it 1.6 meters... more

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Physics

10/28/20

finding expression for force and magnitude

A book with mass m = 1.25 kg rests on the surface of a table. The coefficient of static friction between the book and the table is μs = 0.79 and the coefficient of kinetic friction is μk = 0.47.... more

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Physics

10/28/20

Magnitude of applied force equation

Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown to the right. The mass of the left block m1 = 1.1 kg and the mass of the... more

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Physics

10/28/20

Finding expression for magnitude with forces

Two forces are applied to an object with mass m = 5.25 kg and the resulting acceleration is ay = 2.09 m/s2 in the positive y direction with no acceleration in the x direction. One of the two forces... more

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Calculus Precalculus

10/28/20

What is the radius and height of a right circular cylindrical can with a height 5 inches longer than the radius, and a volume of 32in^3

use X as the variable to represent the radius

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Math Science Physics

10/27/20

When a horse pulls a 79 kg buggy down the road with a force of 51 N, the buggy hitch makes an angle of 25 degrees above the horizontal.

When a horse pulls a 79 kg buggy down the road with a force of 51 N, the buggy hitch makes an angle of 25 degrees above the horizontal. If the force of friction on the buggy is 3 N, what is the... more

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Physics

10/27/20

finding equation for T2

Consider the baby being weighed in the top figure. The scale weighing the infant and the basket reads = 50.9 N.Write an equation for tension T2 in the cord attaching the scale to the ceiling.... more

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Geometry Parallel Lines

10/27/20

how do i write an equation parallel to y=-2x+3 through the point (-1,4)

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Physics

10/27/20

Find velocity given mass

You throw a 0.8 kg dodgeball at the head of a 30 kg 5th grader at rest. The ball is traveling at 9 m/s before it hits the student and has slowed to 2 m/s as it bounces off of them. With what... more

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Physics

10/27/20

The commander has asked you shoot a cannonball off the side of a cliff that is 70 meters tall. The cannonball leaves the cannon with a speed of 35 m/s. How far away does it hit the ground?

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Physics

10/27/20

The commander has asked you shoot a cannonball off the side of a cliff that is 70 meters tall. The cannonball leaves the cannon with a speed of 35 m/s. How far away does it hit the ground?

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Physics

10/27/20

In which of the following scenarios is work done?

a. A weightlifter holds a barbell overhead for 2.5 s. b. A construction worker carries a heavy beam while walking at constant speed along a flat surface. c. A car decelerates while traveling on a... more

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Physics

10/27/20

Ima Bratt is at the park with her father. The 20.0 kg Ima is on a swing following the path as shown below. Ima has a speed of 0 m/s at position A and is a height of 3.0 m above the ground.

At position B, Ima is 1.0 m above the ground. At position C (2.0 m above the ground), Ima ejects from the swing seat and travels as a projectile along the path shown. At point F, Ima is a... more

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Physics

10/27/20

Uniform Circular Motion

How would I determine the tension in a cord attached to a ball (mass 0.20kg) swinging around at a speed of 3.7 m/s?

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Math Science Physics

10/27/20

A bullet is shot from a height of 5 meters with a velocity of 230 m/s. How long before the bullet hits the ground? How far will it travel?

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Physics

10/27/20

A bicycle with tires 68 cm in diameter travels 7.2 km in 20.0 minutes.

If the bicycle maintains a constant translational speed, what is the angular velocity of each wheel?

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Physics Ap Physics

10/27/20

What is the centripetal acceleration of the bug?

You start an old record player and notice a bug on the surface close to the edge of the record. The record has a diameter of 30 cm and completes 78 revolutions each minute. What is the centripetal... more

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Physics

10/27/20

Physics Uniform Circular Motion

How would I determine the speed of a mass at the lowest point of a vertical circle?

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Geometry

10/27/20

Find every equation parallel to the line y= -1/2x + 5

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Physics Ap Physics

10/26/20

A 1500-kg car drives around a flat 200-m diameter circular track at 20 m/s. What is the net force acting on the car, in Newtons?

A 1500-kg car drives around a flat 200-m diameter circular track at 20 m/s. What is the net force acting on the car, in Newtons? (Round your answer to the nearest whole number and do not include... more

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A solid cylinder of radius 1.3 m and mass 4.1 kg is at rest. A 4.0 N m torque is applied to the cylinder about an axis through its centre.

An object with a weight of 600 Newtons rests on the floor. What force is the floor exerting on the object?

An arrow is given an initial velocity from the bow with which it is shot. Assuming that the air resistance is negligible, once the arrow leaves the bow,

Calculating spring constant experientially with the methods of compression and collision (the question on the experiment is bolded in the description)

Mickey’s snow cone has completely melted. It is in a cup that has the shape of a right cylindrical cone.

The cliff is 110 meters tall and the target is 21 meters away from the base of the cliff. The string is 0.55 meters long. Jim is spinning it overhead at a constant rate, holding it 1.6 meters high.

finding expression for force and magnitude