1,318 Answered Questions for the topic physical science
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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Physical Science
02/05/15
Joe Cool drives to see his girlfriend who attends another college....... Find the km/h.
Joe Cool drives to see his girlfriend who attends another college.
(a) The 140. km trip takes 2.0 h. What was the average speed for the trip?
= ? km/h(b) The return trip over the same route takes...
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Physical Science
02/05/15
What is the sprinter's average acceleration??
A sprinter starting from rest on a straight and level track is able to achieve a speed of 13 m/s in a time of 6.1 s. What is the sprinter's average acceleration?
= ? m/s2
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Physical Science
01/26/15
what element has the strongest metallic character
what element exhibits the strongest metallic character
Physical Science
01/23/15
'what is the average acceleration of a car that starts from rest and moves straight ahead at 18m/s in 12s
please help.
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Physical Science
01/14/15
The speed of light is 3 hundred million meters per second how many meters does light travel in a minute
find meters per minute
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Physical Science
01/12/15
What are some common signs of a chemical change?
like some examples would really help????
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Physical Science
01/07/15
the cat traveled 10m in 5 seconds. what is his rate of acceleration?
motion speed acceleration average speed
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Physical Science
12/15/14
A box is 4.0 cm long, 2.00cm wide, and 10cm high. ( vol= l x w x h) wat is the volume?.
Is it 4.0 x 2.00= 8.00 x 10=80cm
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Physical Science
12/10/14
physical science
a rope is used to pull up a 10kg bucket a total of 40m in 2 minutes. what work was done to the bucket w=? what is the pe placed on the bucket? and what power was used to move the bucket in the...
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