Vanilla-Cashmere

This page lists questions and answers that were posted by visitors named Vanilla-Cashmere.

Questions

The following questions were asked by visitors named Vanilla-Cashmere.

Two construction workers are attempting to pull a slab of concrete off of the ground. Each of the workers are pulling up with a force of 225 N, while the slab of concrete applies a gravitational force of 400 N in the opposite direction, remaining stationa...

A stone with a mass of 10 kg sits on the ground. Gravity acts on the stone at a rate of 9.8 m/s2. What is the normal force acting on the stone, keeping it at rest?

A dog weighing 18 kg runs into a park at a velocity of .63 m/s. What is the momentum of the dog?

A spring scale shows a net force of 0.8 N acting on a 1.5-kg mass. What happens to the acceleration of the object if the net force is decreased to 0.2 N?

The harder a gas pedal in a car is pressed, the faster the car’s velocity increases. Which phrase best describes the relationship between how hard the gas pedal is pressed and the acceleration of the car?

A helicopter is accelerating up into the air while it is also accelerating due north. Which statement about the forces acting on the helicopter is true?

Which property is illustrated by the statement? (4+6.1) + 7 = 4+ (6.1+7)

true or false the ecological perspective is concerned with the human elements of location

true or false Society is defined as social relations and groups formed by humans within a specific geographic area

true or false Meteorology is the science of predicting the weather

true or false An increase in pay is an example of a push factor

A narrator who is not part of the story and only knows particular portion of thoughts and feelings is does anybody have the English 9 exam answers ?!

What is the mathematical relationship between force and work? Responses

A car applies a force of 36.8 Newtons for a 668-meter loop; what was the work done?

A class __ lever never has a mechanical advantage. A class __ lever always has a mechanical advantage. A class __ lever could go either way.(1 point) Responses 2; 3; 1 2; 3; 1 2; 1; 3 2; 1; 3 3; 2; 1 3; 2; 1 1; 2; 3

A lever is used to lift an object with a weight of 60 Newtons. The effort force is 15 meters from the fulcrum, while the load force is 5 meters from the fulcrum. What is the mechanical advantage?(1 point) Responses 12 12 3 3 4 4 75

With which class of levers is it possible to increase the force that must be applied?(1 point) Responses Class 1 and 3 Class 1 and 3 Class 2 and 3 Class 2 and 3 Class 1 and 2 Class 1 and 2 Class 3 and 4 Class 3 and 4

600 Joules of work is used to lift a box from the ground to a height of six meters. How much work would have been done if a lever would have been used with an effort arm of 12 meters and a load arm of 6 meters?(1 point) Responses 100 J 100 J 50 J 50 J 600...

-52 = -4z find z

solve for p p\2.3 = 9.2

solve for y -1.17y = 5.85

What is the relationship among force, mass, and acceleration?

Which equation can you use to calculate the mechanical advantage of a simple machine?(1 point) Responses MA=Δxi×Δxo M A equals capital delta x subscript I times capital delta x subscript o MA=ΔxoΔxi , M A equals Start Fraction capital delta x subscript o...

Which statement about simple machines is correct?(1 point)

What is the mathematical representation of a machine’s efficiency? (1 point) Responses Efficiency=EiEo100 , Efficiency equals Start Fraction upper E subscript i baseline over upper E subscript o baseline End Fraction 100 Efficiency=EoEi100 Efficiency equa...

Which is the best statement of the Law of Conservation of Energy?(1 point)

multiply: 10(7) =

multiply: (-13)(-5)=

An astronaut has a mass of 59 kilograms. What will her gravitational force be on the Moon? The gravitational attraction on the Moon is 1.62

Which statement best describes the gravitational force of an object?

Answers

The following answers were posted by visitors named Vanilla-Cashmere.

edit! theres 17 questions not 1