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A plane is flying horizontally with speed 270 m/s at a height 1330 m above the ground, when a package is dropped from the plane. The acceleration of gravity is 9.8 m/s2 .A second package is thrown
The weight of passengers on a roller coaster increases by 56 as the car goes through a dip with a 39 radius of curvature. What is the car's speed at the bottom of the dip?
IP A 2.9 block slides with a speed of 1.5 on a frictionless horizontal surface until it encounters a spring. If the block compresses the spring 4.8 before coming to rest, what is the force constant
A museum curator moves artifacts into place onmany different display surfaces. What is Fs, max for moving a 164 kg aluminum sculpture across a horizontal steel platform?
An artillery shell is fired with an initial velocity of 350 m/s at 74° above the horizontal. To clear an avalanche, it explodes on a mountainside 33.0 s after firing. What are the x and y compo
The perpendicular bisector, equidistant to both stars. (a) Find an expression for the restoring force on the asteroid that drives it into a vertical oscillation.
An ocean liner leaves New York City and travels 59.0° north of east for 190 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship
The temperature of equal masses of three different liquids A, B and C are 12oC, 19oC and 28oC respectively. The temperature when A and B are mixed is 16oC and when B and C are mixed is 23oC. What w
How many balloons can be blown up if each filled balloon os a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm?
A dog sits 1.53 m from the center of a merry- go-round with an angular speed of 1.65 rad/s. If the magnitude of the force that maintains the dog's circular motion is 38.0 N, what is the dog's mass?
A roller-coaster car moves 210 ft horizontally and then rises 144 ft at an angle of 30° above the horizontal. It then travels 144 ft at an angle of 40° downward. What is its displacement fr
Calculate the critical angle for a glass-air surface if a ray of light which is incident in air on the surface is refracted through 24.5 degree when its angle of incidence is 40 degree.
Wiley coyote is chasing the roadrunner yet again. While running down the roadthey come to a deep gorge 21 m straight across and 110 m deep. The roadrunner launches itself across the gorge at a laun
The magnetic field inside a superconducting solenoid is 4.00 T. Determine the energy stored in the magnetic field within the solenoid.
A 30cm diameter vertical cylinder is sealed at the top by a frictionless 22kg piston. The piston is 79cm above the bottom when the gas temperature is 315 C. The air above the piston is at 1.00 pres
An unstable nucleus of mass 2.4 10-26 kg, initially at rest at the origin of a coordinate system, disintegrates into three particles. One particle, having a mass of m1 = 6.8 10-27 kg, moves in the
A 52.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.26 102 m/s from the top of a cliff 126 m above level ground, where the ground is taken to be y
Two boats start together and race across a 44 km wide lake and back. Boat A goes across at 44 km/h and returns at 44 km/h. Boat B goes across at 22 km/h, and its crew, realizing how far behind it i
What is the maximum amount by which the wavelength of an incident photon could change when it undergoes Compton scattering from an atom or molecule with a 19 u mass? (1 u = 1.66 x 10-27 kg)?
A box with a mass of 8kg is lifted (without acceleration) through a height of 9m, in order to place it upon the shelf of a closet. What is the increase in potential energy of the box?
An electron is in a vacuum near Earth's surface and located at y = 0 on a vertical y axis. At what value of y should a second electron be placed such that its electrostatic force on the first elect
Two bodies having masses 30g and 40g are attached to the ends of a string of negliginle mass and suspended from a light frictionless pulley. Find the accelerations of the bodies and the tension in
The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker?
Draw a Mitochondria and label the following locations: where glycolysis occurs; the breakdown of pyruvate; the citric acid cycle; the electron transport chain; and the synthesis of ATP.
A 1.6-kg ball of putty moving to the right has a head-on inelastic collision with a .50-kg putty ball moving to the left. If the combined blob doesn't move just after the collision, what can you co