Question 2 Water is an essential molecule to life on Earth. Which of the following is not a property of water that is critical to biological life? Surface tension Density Temperature Viscosity

Q: What is the magitude of the force?

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Q: what was the average speed in meters per second of a race car that travels once every 8 seconds…

A: Radius of the circular track is r = 70 mt Time taken by the car is T = 8 s

Q: A penguin can walk across an icy surface because of: Newton's First Law Newton's Second Law O…

A: According to Newton's first law of motion , an object tends to remain in it's inertial state of…

Q: What breaking force is needed to stop a 1200 kg train moving at 25 m/s in a time of 2 seconds?

A: Given data: Mass of the train m =1200kg Speed v= 25 m/s Time t= 2 seconds

Q: On Earth a book has a mass of 5-kg, what would be the mass of the 5-kg book on Jupiter where the…

A: mass of book on earth = 5 kg acceleration due to gravity on earth = g acceleration due to gravity on…

Q: A stone is launched from a height of 15m with a velocity of 20 m/s. How far away will the stone…

A: Given: Height from which the stone is launched is 15 m . Velocity of a stone is 20 m/s. Formula…

Q: A car travles 55 miles per hour for 2 hours at a constant speed what speed is the car going

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Q: 18. Who produced the world's first rocket propelled by an explosion of gunpowder-filled tubes? Isaac…

A: Given: Who produced the world's first rocket propelled by an explosion of gunpowder-filled tubes?

Q: What law tells us why we should buckle up?

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Q: if mr.berkley is able to slow down his car from 21 m/s to 8m/s while covering 25 meters, what was…

A: Let the mass of the car be m. Apply the third kinematic equation.

Q: Lara Croft in one of her tomb-raiding adventures grabs a vine hanging vertically from a tall tree…

A: Given: Initial velocity,   u = 11.1 m/s The maximum height that she can swing upward is,…

Q: Question 20 (8 points) Listen A 15.0 kg boulder breaks of a mountain top and plunges into the ocean…

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Q: If a 25 kg bike is pushed from rest with a force of 15 N moving at 12 m/s, how far did it travel?

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Q: What will be the momentum of a stone having mass of 14 kg when it is thrown with a velocity of 4 m/s…

A: Given(s): Mass of the stone, m=14 kg. Velocity, v=4 m/s. Require: Momentum, p=?

Q: A hunter is shooting a monkey in a tree with a bow and arrow. Just as he releases the monkey slides…

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Q: State the law of action and reaction by giving

A: Given,   State the law of action and reaction giving two examples of it.

Q: would

A: The kinematics equation can be used to find the unknown parameters such as final velocity, distance…

Q: This is related to question 2 (with the new version in which 2b has a starting speed of 3 m/s). A…

A:

Q: What is the meaning of free fall?

A: When a motion of an object or a body occurs under influence of only gravity then the motion is said…

Q: why do we launch at a higher altitude to reduce the kinetic energy required to reach orbit?

A: The kinetic energy required to launch an object into space is proportional to the resistance offered…

Q: Who is Galileo Galilei and what is his contribution on Physics?

A: Galileo Galilei is a physicist, mathematician and astronomer from Pisa, Tuscany. He is the eldest of…

Q: When a cannon fires a cannonball, the ball goes forward and the cannon itself moves backward. Why…

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Q: What is air racing?

A: air racing  is a type of motorsport that involves airplanes or other types of aircraft  that compete…

Q: Sam rolls a ball off a tabletop. Compared with a slow roll , will a faster-moving ball hit the floor…

A: Faster moving ball will hit the ground with greater speed.

Q: State the law of action and reaction by giving two examples of it.

A: Law of action and reaction according to the law of action and reaction every action has equal and…

Q: Is there potential energy or kinetic energy in space? Why or Why not?

A: Reason; Gathering of every charges in space, for example, having electromagnetic potential energy.…

Q: What’s the instantaneous speed?

A: To explain: Instantaneous speed.

Q: What force is required to accelerate an object having a mass of 6 kg at 9 m/s?

A: Introduction :  In this question we are provided it value of mass and acceleration . With these data…

Q: If you shoot a 10 kg cannonball straight it reaches a height of 600 meters, what was the velocity of…

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Q: What is exhilaration of a rock thrown upward on the way up? At the top of his flight? On the way…

A: suppose there is no air friction, the rock is thrown upward direction and the earth will pull it…

Q: How fast would a cannonball have to go to leave Earth's orbit if it were employed instead of a…

A: Escape velocity is the speed at which an object travels to break away from the gravity of a planet…

Q: What will be the momentum of a stone having mass of 20 kg when it is thrown with a velocity of 8 m/s…

A: Given:mass is 20 kgVelocity is 8 m/sTo Find:Momentum

Q: A ring with moment of inertia mr2 and a sphere with moment of inertia 2/5mr2 have the same mass and…

A: Option A. 0.7

Q: A plane flying at its maximum speed can go 300 miles per hour with a tailwind or 160 miles per hour…

A: let speed of the plane with no wind=x miles/hour and speed of the wind= y miles/hour speed of the…

Q: It seems that the answer given was different from Option A. Is it for certain that A is correct?

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Q: A warning sign inside an elevator of mass 317 kg indicates that the maximum load that it can carry…

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Q: F = mg is short for the gravitational force for a satellite revolving around any object the…

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