1,302 Answered Questions for the topic physical science
Physical Science
03/17/15
Force of gravity of two masses....
How would the force of gravity between two masses be affected if the separation distance between them were the following? (Assume F2 represents the new force and F1 represents the original...
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Physical Science
03/17/15
What is the force of gravity?
What is the force of gravity between two 1170 kg cars separated by a distance of 23 m on an interstate highway?____ N
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Physical Science
03/17/15
Find the magnitude of the attraction between the books..
Two 2.3 kg physical science textbooks on a bookshelf are 0.22 m apart. What is the magnitude of the gravitational attraction between the books?____ N
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Physical Science
03/12/15
what is the net force on an object
Suppose two 4 newton forces act on an object in the same directions
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Physical Science
03/09/15
a 1200 kg car goes from 0 m/s to 26.8 in 4s. what is the average force acting upon it?
a 1200kg car goes from 0m/s to 26.8 m/s in 4s. what is the average force acting upon it?
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Physical Science
03/02/15
a bus was going 30km/hr. six seconds later, it was going 24 km/hr. What was its acceleration?
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Physical Science
02/25/15
What is the force???
What is the unbalanced force acting on a moving car with a constant velocity of 21 m/s (47 mi/h)? ___ N
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Physical Science
02/25/15
What is the force???
What is the force in newtons acting on a 3.6 kg package of nails that falls off a roof and is on its way to the ground?___ N
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Physical Science
02/25/15
What is the weight??
What is the weight in newtons of a 7.6 kg package of nails?___ N
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Physical Science
02/25/15
What is the bullet's acceleration?
A force of 1.9 N is exerted on a 5.7 g rifle bullet. What is the bullet's acceleration?___ m/s2
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Physical Science
02/25/15
Determine the net force necessary....
Determine the net force necessary to give an object with a mass of 1.8 kg an acceleration of 5.3 m/s2.
___ N
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Physical Science
02/20/15
What is the average speed in km/h of a car that travels 46 km in 21 min.
this is the only question im having trouble with please help!
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Physical Science
02/19/15
What is the mass of the rocket?
A constant net force of 1360 N gives a toy rocket an acceleration of 2.4 m/s2. What is the mass of the rocket? ____ kg
Physical Science
02/19/15
What is the bullet's acceleration?
A force of 1.9 N is exerted on a 5.7 g rifle bullet. What is the bullet's acceleration?
___ m/s2
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Physical Science
02/19/15
Determine the net force necessary ...
Determine the net force necessary to give an object with a mass of 1.8 kg an acceleration of 5.3 m/s2.
___ N
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Physical Science
02/19/15
What additional force is needed?
A horizontal force of 350 N is applied to a stationary wooden box in one direction, and a 700 N horizontal force is applied in the opposite direction. What additional force is needed for the box to...
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Physical Science
02/19/15
Determine the net force...
What is the net force of a 4.0 N force and an 6.0 N force acting on an object for each of the following conditions?
(a) The forces act in opposite directions.___ N(b) The forces act in the same...
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Physical Science
02/12/15
What speed is it falling?
A ball is dropped from the top of a 94-m-high building. What speed does the ball have in falling 2.8 s?
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Physical Science
02/12/15
At what angle will .........
A golfer on a level fairway hits a ball at an angle of 23° to the horizontal that travels 105 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at...
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Physical Science
02/12/15
How long will it take the ball to hit the ground?
If you drop an object from a height of 1.3 m, it will hit the ground in 0.52 s. If you throw a baseball horizontally with an initial speed of 38 m/s from the same height, how long will it take the...
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Physical Science
02/12/15
What angle was the second ball hit?
A golfer on a level fairway hits a ball at an angle of 23° to the horizontal that travels 105 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at...
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Physical Science
02/12/15
A car travels on a straight, level road......
A.) Starting from rest, the car is going 46 ft/s (31 mi/h) at the end of 4.5 s. What is the car's average acceleration in ft/s2 ?
magnitude ___ ft
B.) In 3.5 more seconds, the car is going 92...
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Physical Science
02/05/15
How many hours did the trip take?
A group of college students eager to get to Florida on a spring break drove the 795-mi trip with only minimum stops. They computed their average speed for the trip to be 55.1 mi/h.How many hours...
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Physical Science
02/05/15
What is the speed of the all falling?
A ball is dropped from the top of a 81-m-high building. What speed does the ball have in falling 3.8 s?= ? m/s
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Physical Science
02/05/15
Find the different velocitys of the plane..
An airplane flying directly eastward at a constant speed travels 311 km in 2.0 h.
(a) What is the average velocity of the plane?
= ? km/h(b) What is its instantaneous velocity?
= ? km/h
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