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A luggage handler pulls a 20.0-kg suitcase up a ramp inclined at 24.0° above the horizontal by a force of magnitude 148 N that acts parallel to the ramp. Calculate the work done on the suitcase
A 1.00-kg block of ice is placed against a horizontal spring that has force constant k = 175 N/m and is compressed 0.021 m. What is the speed of the block after it leaves the spring
A sled with a mass of 8.00 kg moves in a straight line on a frictionless horizontal surface. find the force acting on the sled
A factory worker pushes a 26.0 kg crate a distance of 6.6 m along a level floor at constant velocity by pushing horizontally on it. What magnitude of force must the worker apply
A suitcase falls out of an airplane which is 400 meters above the ground. What is the time it takes for the suitcase to reach the ground
Professional baseball pitchers can deliver a pitch which can reach the blazing speed of 100 mph (miles per hour). how much kinetic energy does the ball have
A 8.20-kg block of ice, released from rest at the top of a 1.56-m-long frictionless ramp, slides downhill, reaching a speed of 2.58m/s at the bottom. What is the angle between the ramp and the horiz
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.27 kg, and the wedge has a mass of 5.31 kg. what is the velocity of the wedge after the collisio
Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 3.75-kg book. how fast do you then slide across the ice
Two bumper cars moving on a frictionless surface collide elastically. What is the speed of the first bumper car after the collision
A 2.00-cm-diameter parallel-plate capacitor with a spacing of 0.200mm is charged to 300V. What is the total energy stored in the electric field
A series AC circuit contains a resistor, an inductor of 200 mH, a capacitor of 5.60 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. Calculate the inductive reactance
You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sam, with mass 78.0kg , What was the speed of each person before the collision
A Projectile is fired with an initial velocity of 60 m/s at an angle of 379 to the horizontal. Assuming there is no friction, what is the horizontal range of the projectils
A suitcase falls out of an airplane which is 400 meters above the ground. How fast is it moving when it reaches the ground
While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.31-m piece of fishing line. What is the angle that the fishing line makes with the vertical
Let us model the electrical behavior of such a molecule by a pair of +/- 1.60x10^-19 -C charges connected by a spring with force constant= 2.05x10^-4 N/m. What is the magnitude of the induced electr
A 0.70 × 103 kg sports car collides into the rear end of a 2.2 × 103 kg SUV stopped at a red light. calculates the speed of the sports car at impact
Jill of the jungle swings on a vine 6.5 m long. What is the tension in the vine if Jill, whose mass is 61kg, is moving at 2.4 m/s when the vine is vertical
A neon atom (m = 20.0 u) makes a perfectly elastic collision with another atom at rest. What is the mass of the unknown atom
A 250 kg flatcar 25 m long is moving with a speed of 3.0 m/s along horizontal frictionless rails. how far has the flatcar moved
A rocket traveling 1850 m/s away from the Earth at an altitude of 6800 km fires its rockets, at what rate must the gases be ejected
A box is pushed a distance d along a ramp at a constant speed by a horizontal force, Fa. how much work is done by the horizontal force
A rocket of mass 7 kg moves with a constant velocity of 547 m/s eastward. It suddenly explodes and scatters into two pieces. find the direction of the second part
A roughly spherical volume of rock 2.1 km in radius is 30% denser than the surrounding rock, calculate the gravitational acceleration it produces at Earth's surface