My question is: a 99 kg water skier floating in a lake is pulled from rest to a speed of 11 m/s in a distance of 25 m. What is the net force exerted on the skier, assuming his acceleration is constant...

My question is: a 99 kg water skier floating in a lake is pulled from rest to a speed of 11 m/s in a distance of 25 m. What is the net force exerted on the skier, assuming his acceleration is constant...

In a grocery store, you push a 17.5 kg shopping cart with a force of 12.0 N. If the cart starts at rest, how far does it move in 3.00 s? How would I solve this? It's for an online class...

Fairgoers ride a Ferris wheel with a radius of 5.00 m, the bottom of which is 1.75 m above the ground. The wheel completes one revolution every 32.0 s. (a) What is the average speed of a rider...

Here is my diagram: https://i.stack.imgur.com/WYSnE.png A parallel beam of light is incident from air at an angle a on the side PQ of a right angled triangular prism of refractive index n=√2...

I want to know if there is a formula for calculating how much weight an object can hold. For example if I have a wooden plank I want to know if it could hold a 20kg object. by knowing the mass of...

My question is "An archer shoots an arrow horizontally at a target 15 m away. The arrow is aimed directly at the center of the target, but it hits 56 cm lower. What was the initial speed of the...

How do you normalize the angular wave function Φ(φ) = e imφ? My kindest regards!

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Physics question

A monatomic ideal gas expands from point A to point B along the path shown in the figure. What is the change in internal energy of the gas during the process? (The horizontal axis is marked in increments...

The horizontal boom supporting the sign is of uniform construction and weighs 50 N. If the sign weighs 150 N, the angle between the force exerted by the hinge on the boom and the boom is approx...

'show that' in an exam question means you need to demonstrate that the statement that follows is true. in this case , you need to carry out a calculation to work out the final speed from ...

A Student moves a box of books with a rope by pulling the rope with a force of 90 N at an angle of 30°. The books have a mass of 20 kg and a coefficient of friction between the box...

Predict the type of bond (ionic, covalent,or polar covalent) one would expect to form between the following pairs of elements. A. Rb and Cl B. S and S C...

We wish to see inside an atom. Assuming the atom to have a diameter of 100pm . This means that one must be able to resolve a width of say 10 pm. if an electron microscope is used , the minimum electron...

Which element is being referred to? Explain your answer. E1 577.4 kJ/mol E2 1,816 kJ/mol E3. 2,744 kJ/mol E4. 11,580 kJ/mol E5...

A delivery truck left the supply center and drove 26km north to make the first delivery. The truck drove another 13 km to make another delivery. The driver went back on the same route. If the truck...

For a simple harmonic oscillator, which of the following pairs of the vector quantities cannot both point in the same direction? (THE position vector is the displacement from equilibrium.) A) position...

Calculate the force needed to bring a 1070–kg car to rest from a speed of 89.0 km/h in a distance of 110 m (a fairly typical distance for a non-panic stop). Suppose instead the car...

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