The bobsled has a mass of 1200 kg that is 50 m above the surface of the Earth. Thinking about conservation of mechanical energy (potential and kinetic) calculate the speed of the bobsled halfway down...

The bobsled has a mass of 1200 kg that is 50 m above the surface of the Earth. Thinking about conservation of mechanical energy (potential and kinetic) calculate the speed of the bobsled halfway down...

i know nothing about this please help thanks

A cord attached to a 3.63-kg mass is wrapped around a wheel of radius 0.610 m and released. The moment of inertia of the wheel is 2.71 kg · m2. If the wheel rotates on frictionless bearings, the acceleration...

This is a momentum/impulse problem

How do I solve this AP Chemistry problem?

What volume will 1.23g of CO2 occupy at 45°C and 678 mmHg?

"Two crewmen pull a boat through a lock, as shown in Figure 5-22. One crewman pulls with a force of F1 = 120 N at an angle of θ = 34° relative to the forward direction of the boat. The second...

I am doing homework and this is one of the true or false questions that is on the worksheet

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...

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...

A wagon is being pushed up a frictionless ramp that makes a 22 degree angle with the floor. If the wagon weighs 80 lbs, and the force pushing the wagon up the ramp is 50 lbs, what is the acceleration...

Two boxes are being pulled with a force of 245 N to the right. Taking friction into account, what is the tension on the string between the boxes? (µk = .24)

If Venus rotated as fast as earth does.

evidence, known facts

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...

A 1 kg model rocket is launched at a 30 degree angle from the floor. The small rocket burns for 5.00 s and has a steady thrust of 20.0 N. What maximum altitude does the rocket reach and range of the...

the physics

Take the distance between Earth and the Moon as 3.84 ✕ 105 km. Consider that the shuttle is moving in the direction from Earth to the Moon.

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