A cannon on a 12 m wall. Shoots a cannon ball at 37 degrees to a height of 32m above the cannon. What is the initial velocity exiting the cannon? How long does it take to return to the ground 12m...

A cannon on a 12 m wall. Shoots a cannon ball at 37 degrees to a height of 32m above the cannon. What is the initial velocity exiting the cannon? How long does it take to return to the ground 12m...

An automobile of mass 2 000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10 000 N. How far does the car travel before stopping?

A barefoot field-goal kicker imparts a speed of 30 m/s to a football at rest. If the football has a mass of 0.50 kg and time of contact with the football is 0.025 s, what is the force exerted on the...

A vector in the xy-plane has an x component of -7.50 units. What must be the y component of this vector so that it's magnitude is 10.0 units?

A boy jumps with a velocity of magnitude 20.0 m/s at an angle of 25.0° above the horizontal. What is the horizontal component of the boy's velocity?

You walk 33 miles to the north, then turn 60° to your right and walk another 45 m. How far are you from where you originally started?

Calculate the wavelength of a microwave that has a frequency of 63913732857 Hz. Use 3x108 m/s for the speed of light. in terms of meters. To a precision of thousandths of a...

I do not understand velocity at all can someone help because our teacher said it that velocity and speed were the same thing and it is confusing me.

A stationary boat accelerates to 90 km/hr over 1 km. What is the time it takes to do this? Ans: 80s

If v (t) = 35 + 9t find an expression and value for x (t) and a (t) for the periods t=1.5s and t=3.2s?

a roller coaster is moving at 10m/s at the top of the hull and 22 m/s at the bottom of the hill two seconds later. Explain how to find the acceleration of the roller coaster then find the average...

Consider a vector of 2.8 m/s due south along y axis, and a vector of 4 m/s pointed 21 degrees north of east along X axis. Add the vectors. What is the resulting vectors magnitude and direction? (separate...

A water balloon is dropped on the bull's-eye target from a stationary hot air balloon. The water balloons 353 m above the target. If the water ballopn accelerates downward at 9.81 m/s squared, how...

The mass of Earth is 5.98x10^24 kg and the mass of the sun is 330,000 times greater than the mass of Earth. If the center of Earth is, on average, 1.495x10^11 m from the center of the Sun, calculate...

Jose is trying to take apart an old bike. A rusty bolt is stuck and he thinks he should use a different wrench. What would be more effective for him to try?

Q1: a test pilot whose mass is 85 kg is strapped into a large centrifuge machine for training. The machine spins rapidly to stimulate increased gravitational forces on the body. If the machine spins...

Assume that a satellite orbits earth 230,000 m above its surface. given that the mass of earth is 5,97 x 10^24 kg, and the radius of earth is 6.38 x 10^6 m what is the satellite's period?

Consider two wheels with fixed hubs. The hub cannot move, but the wheel can rotate about it. The hubs are fixed to a stationary object. The hubs and spokes are mass-less, so that the moment of inertia...

What is the gravitational force between two 200 g masses that are 65 cm apart?

a test pilot whose mass is 85 kg is strapped into a large centrifuge machine for training. The machine spins rapidly to stimulate increased gravitational forces on the body. If the machine spins the...

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