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Question:
A position vector in the first quadrant has an x component of 8 m and a magnitude of 10 m. What is the value of its y component?
One 20-year-old twin brother takes a space trip with a speed of0.80c for 30 years according to a clock on the spaceship. Upon returning to the Earth, what is his own age and the age of the Earth-based twin brother?
An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 5.85 106 N/m, What was the speed of the car before impact
A vertical spring with a spring steady of 420-N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest.
A hypodermic syringe is attached to a needle that has an internal radius of 0.301 mm and a length of 3.01 cm. What force must be applied to the plunger
A small stone is thrown vertically downward at an initial speed of 14 m/s from a height of 65 meter above the ground. Determine its velocity just before it hits the ground
A water tower supplies water through the plumbing in a house. A 2.54-cm-diameter faucet in the house can fill a cylindrical container with a diameter of 53 cm and a height of 36 cm in 12 s. How high above the faucet is the top of the water in the t..
A satellite is in a 95.0 min period circular orbit 380km above Earth's surface. Find the satellite's speed
Usain Bolt is running a 100m dash. He accelerates to top speed over the first 45 m, then runs at a constant speed for the last 55 m, What is his top speed
A 5 kilogram cart is moving horizontally at 6 meter per second. in order to change its speed to 10 ms, obtain the net work done on the cart
The plate separation of a charged capacitor is 0.0690 m. A proton and an electron are releasedfrom rest at the midpoint between the plates. Ignore the attractionbetween the two particles, and determine how far the proton hastraveled by the time the e..
An object with a mass of 72.0 g displaces 590.0 ml of water when it is completely immersed. What is the buoyant force on the mass?
You bike at 10.5 m/s directly away from your neighbor's trumpet sound and toward the sound of another neighbor's trombone, What frequency is the trombonist producing
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