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What is the difference between a vector and scalar quantity?
1 answer 176 views
What is the difference between a vector and scalar quantity?What is the difference between a vector and scalar quantity? ...
by MathsGee Platinum
(102,810 points)
asked in Mathematics Nov 4, 2019
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Superman is flying at 300 m/s. He then accelerates at a rate of 20 m/s2 for 10 seconds. How fast is he now flying?
1 answer 452 views
Superman is flying at 300 m/s. He then accelerates at a rate of 20 m/s2 for 10 seconds. How fast is he now flying?A car is initially moving at 20 m/s.  The car then accelerates at a rate of 5 m/s2.  How fast will the car be moving after 400 meters? ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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A car is initially moving at 20 m/s. The car then accelerates at a rate of 5 m/s2. How fast will the car be moving after 400 meters?
2 answers 189 views
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A bowling ball moving 20 m/s comes to rest at the end of the alley 20 meters away. Determine the acceleration of the bowling ball.
2 answers 502 views
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What is the total time that the rock will be in the air?
1 answer 132 views
What is the total time that the rock will be in the air? Justin takes out his slingshot and shoots a rock into the air at 35 m/s.  What is the total time that the rock will be in the air? Ho ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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Determine the time it takes the ball to reach its maximum height.
1 answer 342 views
Determine the time it takes the ball to reach its maximum height. Erin throws a baseball into the air at 20 m/s. Determine the time it takes the ball to reach its maximum height. What is the ball ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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If her total trip takes 3 minutes, what is John’s average velocity?
1 answer 349 views
If her total trip takes 3 minutes, what is John’s average velocity?John runs to her classroom which is 20 meters away.  She forgets her physics book in her locker and must return 20 meters in the direction from w ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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A fighter jet flies 3 km west and then 2 km east in 8 minutes. Determine the jet’s average velocity. (Remember to convert!)
1 answer 363 views
A fighter jet flies 3 km west and then 2 km east in 8 minutes. Determine the jet’s average velocity. (Remember to convert!)A fighter jet flies 3 km west and then 2 km east in 8 minutes.  Determine the jet’s average velocity.  (Remember to convert!) ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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A bowling ball races down the 19 meter alley in 3 seconds. What is the ball’s average speed?
3 answers 333 views
A bowling ball races down the 19 meter alley in 3 seconds. What is the ball’s average speed?A bowling ball races down the 19 meter alley in 3 seconds.  What is the ball’s average speed? ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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The Port Jefferson ferry travels 20 miles north to Connecticut and then 20 miles south to Long Island. What is the displacement of the ferry?
1 answer 334 views
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Jenny walks 30 meters north, 40 meters south, and 20 meters north. Determine the displacement travelled by Jenny.
1 answer 767 views
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A speed boat takes off 400 feet to the north and then travels 600 feet back to the south. Determine the distance travelled by the boat.
2 answers 167 views
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A jet takes off from Florida and flies 100 miles north and then 400 miles west. Determine the total distance travelled by the jet.
1 answer 384 views
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Jenny walks 30 meters north, 40 meters south, and 20 meters north. Determine the distance travelled by Jenny.
2 answers 369 views
Jenny walks 30 meters north, 40 meters south, and 20 meters north. Determine the distance travelled by Jenny. Jenny walks 30 meters north, 40 meters south, and 20 meters north.  Determine the distance travelled by Jenny. ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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Johnny rides his bicycle 40 meters north and 20 meters east in 10 seconds. What is Johnny’s average speed?
1 answer 604 views
Johnny rides his bicycle 40 meters north and 20 meters east in 10 seconds. What is Johnny’s average speed?Johnny rides his bicycle 40 meters north and 20 meters east in 10 seconds.  What is Johnny’s average speed? ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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The school bus covers a distance of 400 meters in 20 seconds. What is the average speed of the bus?
1 answer 468 views
The school bus covers a distance of 400 meters in 20 seconds. What is the average speed of the bus?The school bus covers a distance of 400 meters in 20 seconds.  What is the average speed of the bus? ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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What is the difference between distance and displacement?
3 answers 228 views
What is the difference between distance and displacement?What is the difference between distance and displacement? ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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A plane takes off at 300 m/s at an angle of 25 degrees to the ground. Find the perpendicular components of the velocity vector.
1 answer 151 views
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What is the difference between a vector and scalar quantity?
2 answers 4.1K views
What is the difference between a vector and scalar quantity?What is the difference between a vector and scalar quantity? ...
by MathsGee Platinum
(102,810 points)
asked in Physics Aug 26, 2019
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How will you check if an element 25 is present in a vector?
1 answer 100 views
How will you check if an element 25 is present in a vector?How will you check if an element 25 is present in a vector? ...
by MathsGee Platinum
(102,810 points)
asked in Data Science & Statistics Mar 12, 2019
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What will be the class of the resulting vector if you concatenate a number and a logical?
0 answers 135 views
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What will be the class of the resulting vector if you concatenate a number and a character?
0 answers 150 views
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What will be the class of the resulting vector if you concatenate a number and NA?
0 answers 271 views
What will be the class of the resulting vector if you concatenate a number and NA?What will be the class of the resulting vector if you concatenate a number and NA? ...
by MathsGee Platinum
(102,810 points)
asked in Data Science & Statistics Mar 12, 2019
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