Sir Eman's Online Physics Quiz No. 03

16 Questions | By Emankulit | Last updated: Mar 22, 2022 | Total Attempts: 134

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Topic: Describing Linear and Non-Linear MotionTime Limit: 30 minutesReminders:+ Provide the Necessary Information. Type your WHOLE NAME. No nicknames please. + The quiz is TIMED. You can only answer the quiz within the set amount of time given to you. + You might need scratch paper for some problems. (yes may SOLVING po)+ Open books and notebooks. Yes calculators. Yes internet (kung andun ba ang sagot eh)+ Have your calculators ready beside you. You might be computing something =]+ IP Detection is enabled. Therefore: I can track your individual IP addresses, I can determine the TIME you took the quiz, I know how long it took you to answer the quiz, etc. + You are only allowed to take the quiz ONCE. PS: + If i ever detected CHEATING (e. G.

Questions and Answers

1.

The average speed of a horse that gallops a distance of 10 kilometers in a time of 30 minutes is ______.express answers in kph. example: 90 kph
2.

As an object freely falls, its
- A.
  
  Velocity increases
- B.
  
  Acceleration increases
- C.
  
  Both of these
- D.
  
  None of these
3.

If an object falls with constant acceleration, the velocity of the object must
- A.
  
  Be constant also.
- B.
  
  Continually change by the same amount each second.
- C.
  
  Continually change by varying amounts depending on its speed.
- D.
  
  Continually decrease.
- E.
  
  None of these
4.

Drop a rock from a 5-m height and it accelerates at 10 m/s² and strikes the ground 1 second later. Drop the same rock from a height of 10 m and its acceleration of fall is
- A.
  
  About half
- B.
  
  About double
- C.
  
  The same
- D.
  
  More than double
5.

At one instant an object in freefall is moving downward at 50 m/s. One second later its speed is about
- A.
  
  25 m/s
- B.
  
  50 m/s
- C.
  
  55 m/s
- D.
  
  60 m/s
- E.
  
  100 m/s
6.

At one instant an object in freefall is moving upward at 50 m/s. One second later its speed is about
- A.
  
  100 m/s
- B.
  
  60 m/s
- C.
  
  55 m/s
- D.
  
  50 m/s
- E.
  
  40 m/s
7.

While a car travels aroud a circular track at constant speed its
- A.
  
  Acceleration is zero
- B.
  
  Velocity is zero
- C.
  
  Both of these
- D.
  
  None of these
8.

An apple falls from a tree and hits the ground 5 meters below. It hits the ground with a speed of about
- A.
  
  5 m/s
- B.
  
  10 m/s
- C.
  
  15 m/s
- D.
  
  20 m/s
- E.
  
  Not enough information was given to estimate
9.

Motion that is under the influence of gravity alone.
10.

When a rock thrown straight upwards gets to the exact top of its path, its
- A.
  
  Velocity is zero and its acceleration is zero.
- B.
  
  Velocity is zero and its acceleration is about 10 m/s^2
- C.
  
  Velocity is about 10 m/s and its acceleration is zero.
- D.
  
  Velocity is about 10 m/s and its acceleration is about 10 m/s^2
11.

If a projectile is fired straight up at a speed of 30 m/s, the total time to return to its starting position is about
- A.
  
  3 seconds
- B.
  
  4 seconds
- C.
  
  5 seconds
- D.
  
  6 seconds
12.

Uniformly accelerated motion that is a combination of horizontal and vertical motion that is independent of one another.
13.

It is the path followed by a projectile thrown at an angle.
14.

A bullet is dropped from the top of the Empire State Building while another is fired downward from the same location. Neglecting air resistance, the acceleration
- A.
  
  Of the fired bullet is greater
- B.
  
  Of the dropped bullet is greater
- C.
  
  Each bullet is 9.8 m/s^2
- D.
  
  Malay ko ba? anung klaseng tanong ito?
15.

Which two graphs best represent the motion of an object falling freely from rest near the Earth's surface?
- A.
  
  Set 1
- B.
  
  Set 2
- C.
  
  Set 3
- D.
  
  Set 4
16.

Which graph best represents the motion of a block accelerating uniformly down an inclined plane?
- A.
  
  (1)
- B.
  
  (2)
- C.
  
  (3)
- D.
  
  (4)