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A 1000-kg car and a 2000-kg are to the same height. Raising the more massive car...
A 1000 kg car initially moves at a constant speed of 20 m / s on...
A 1000 kg car initially moves at a constant speed of 20 m / s on a straight road. Its linear momentum is: A) 50 kg m / s B) 100 kg m / s C) 20,000 kg m / s D) 20 kg m / s
7:35 exam 2.docx Not saved yet 17.) True of False. Microwaves have higher frequency thus shorter...
7:35 exam 2.docx Not saved yet 17.) True of False. Microwaves have higher frequency thus shorter wavelengths than IR heat radiation. 18.) Electromagnetic radiation is produced when (a) a vacuum is created (b)charges move (c)electric fields oscillate (d)magnetic fields are constant 19.) Transverse waves travel by (a)up and down propagation (b) compressions (c)sound waves (d)electromagnetic waves 20.) True or False. Electromagnetic rays need only air to travel. 21.) Sound waves are examples of what wave format? (a)transverse (b)orthogonal (c)longitudinal (d)none...
Part A.) A creature with mass of 3.1 kg on earth, is pictured on planet W which is twice as massive as Earth and has twi...
Part A.) A creature with mass of 3.1 kg on earth, is pictured on planet W which is twice as massive as Earth and has twice Earth's radius. What is the creature’s weight on planet W? -answer choices a.) 11 N b.) 9.8 N c.) 4.3 N d.) 15 N Part B.) What is the local value of g on Planet W? -answer choices a.) 3g/4 b.) g/2 c.) g d.) 2g Part C.) An asteroid is on collision course...
A) Mass is less, weight is the same. B) Mass is the same, weight is less....
A) Mass is less, weight is the same. B) Mass is the same, weight is less. C) Both mass and weight are less. D) Both mass and weight are the same. 25. An astronaut weighs 99 N on the Moon, where the acceleration of gravity is 1.62 m, does she weigh on Earth? A) 16 N B) 61 N C) 99 N D) 600 N E) 440 N 26. A net force of 125 N is applied to a certain...
mass of more massive jumper is 70 kg A The Jumper has a mass of 60kg...
mass of more massive jumper is 70 kg
A The Jumper has a mass of 60kg and the bridges height above the river is 150m, The rope has an unstretched length of am and stretches a distance of com before bringing the jumper to a stop, Determine the maximum speed of the jumper and the Spring Constant of the rope In your calculation, use g=10Nig. 1 ? Vmax = m/s N/m Now calcolate the maximum speed of this more massive...
15 please 13. A tennis ball bounces on the floor three times. If each time it...
15 please
13. A tennis ball bounces on the floor three times. If each time it loses nergy d ed it 2.3 m from ue to the 22.0% of its e heating, how high does it rise after the third bounce, provided we releas floor? a. 1.09 m c. 0.011 m d. 1.50 m e. 2.30 m 14. Three cars (car F, car G, and car H) are moving with the same velocity when the driver suddenly slams on the...
1. An 800 kg car travels around the edge of a circular track of radius 400...
1. An 800 kg car travels around the edge of a circular track of radius 400 m. At one point, the car accelerates around the track, increasing its speed from 40 m/s to 60 m/s over the course of 5 s. At the instant that the car reaches 50 m/s find (a) its angular velocity (b) its radial acceleration, (c) the centripetal force acting on the car, (d) the tangential acceleration of the car, and (e) the magnitude of the...
In the figure, a frictionless roller coaster car of mass m = 637 kg tops the...
In the
figure, a frictionless roller coaster car of mass m = 637 kg tops the first
hill with speed v0 = 19.3 m/s at
height h = 37.2 m. How much work
does the gravitational force do on the car from that point
to (a) point A, (b) point B, and (c) point C? If the gravitational
potential energy of the car-Earth system is taken to be zero
at C, what is its value when
the car is at...
A typical raindrop is much more massive than a mosquito and falls much faster than a...
A typical raindrop is much more massive than a mosquito and falls much faster than a mosquito flies. How does a mosquito survive the impact? Recent research has found that the collision of a failing raindrop with a mosquito is a perfectly inelastic collision. That is, the mosquito is "swept up" by the raindrop and ends up traveling along with the raindrop. Once the relative speed between the mosquito and the raindrop is zero, the mosquito is able to detach...
Linear Momentum of an object is conserved At all times b. Only when the net external...
Linear Momentum of an object is conserved At all times b. Only when the net external force on the object is Zero When the net external torque on the object is Zero d. Never A truck of mass 4000 (kg) is moving at 10 (m/s). A car of mass 1000 (kg) is moving at 40 (m/s). So, the truck’s momentum, compared to the car, is Greater b. Smaller c. the same d. Cannot say without knowing their accelerations A 1000...
7:35 exam 2.docx Not saved yet 17.) True of False. Microwaves have higher frequency thus shorter wavelengths than IR heat radiation. 18.) Electromagnetic radiation is produced when (a) a vacuum is created (b)charges move (c)electric fields oscillate (d)magnetic fields are constant 19.) Transverse waves travel by (a)up and down propagation (b) compressions (c)sound waves (d)electromagnetic waves 20.) True or False. Electromagnetic rays need only air to travel. 21.) Sound waves are examples of what wave format? (a)transverse (b)orthogonal (c)longitudinal (d)none...
A) Mass is less, weight is the same. B) Mass is the same, weight is less. C) Both mass and weight are less. D) Both mass and weight are the same. 25. An astronaut weighs 99 N on the Moon, where the acceleration of gravity is 1.62 m, does she weigh on Earth? A) 16 N B) 61 N C) 99 N D) 600 N E) 440 N 26. A net force of 125 N is applied to a certain...
mass of more massive jumper is 70 kg
A The Jumper has a mass of 60kg and the bridges height above the river is 150m, The rope has an unstretched length of am and stretches a distance of com before bringing the jumper to a stop, Determine the maximum speed of the jumper and the Spring Constant of the rope In your calculation, use g=10Nig. 1 ? Vmax = m/s N/m Now calcolate the maximum speed of this more massive...
15 please
13. A tennis ball bounces on the floor three times. If each time it loses nergy d ed it 2.3 m from ue to the 22.0% of its e heating, how high does it rise after the third bounce, provided we releas floor? a. 1.09 m c. 0.011 m d. 1.50 m e. 2.30 m 14. Three cars (car F, car G, and car H) are moving with the same velocity when the driver suddenly slams on the...
1. An 800 kg car travels around the edge of a circular track of radius 400 m. At one point, the car accelerates around the track, increasing its speed from 40 m/s to 60 m/s over the course of 5 s. At the instant that the car reaches 50 m/s find (a) its angular velocity (b) its radial acceleration, (c) the centripetal force acting on the car, (d) the tangential acceleration of the car, and (e) the magnitude of the...
In the
figure, a frictionless roller coaster car of mass m = 637 kg tops the first
hill with speed v0 = 19.3 m/s at
height h = 37.2 m. How much work
does the gravitational force do on the car from that point
to (a) point A, (b) point B, and (c) point C? If the gravitational
potential energy of the car-Earth system is taken to be zero
at C, what is its value when
the car is at...
A typical raindrop is much more massive than a mosquito and falls much faster than a mosquito flies. How does a mosquito survive the impact? Recent research has found that the collision of a failing raindrop with a mosquito is a perfectly inelastic collision. That is, the mosquito is "swept up" by the raindrop and ends up traveling along with the raindrop. Once the relative speed between the mosquito and the raindrop is zero, the mosquito is able to detach...
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