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A cliff diver from the top of a 100 m cliff. He begins his dive by jumping up with a velocity of 5 m/s. What is his velocity right before he hits the water?
a. 22.3 m/s
b. 11.15 m/s
c. 1,989 m/s
d. 44.6 m/s
Excited to travel after the lockdown, Pedro took a road trip along Edsa. He is traveling 18.0m/s when he notices a red light ahead. His car is capable of a braking acceleration of 3.65m/s2. Due to slow reaction, it takes him 0.200 s to get the brakes on and he is 45.0 m from the intersection when he sees the light. Due to slow reaction, how far did he travel to get the brakes on?
a. 13 m
b. 3.6 m
c. 0
d. 6.6 m
1.) An object starts from rest at time t = 1.00 s and moves in the +x direction with constant acceleration. The object travels 15.0 m from time t = 1.00 s to time t = 2.00 s. What is the acceleration of the object in m/s2?
a. 30
b. 7.5
c. 15
d. 10
2.) An out-of-control F-Liner bus having a speed of 120 kilometer per hour (kph) is made to stop in 0.02 hour. What is his final speed?
a. 0
b. 2.4 kph
c. 60 kph
d. 120 kph
A lead pellet is propelled vertically upward by an air rifle with an initial speed of 50 ft/s. Find its maximum height ?
A stone is dropped into the well and 4 seconds later the sound of splash is heard. If sound travels at a speed of 340 m/s, how deep is the well ?
A ball is thrown vertically downward from a cliff 48 m high and reaches the ground 2 s later. What was the ball's initial velocity ?
A ball is thrown vertically upward with a speed of 15 m/s.
A. what is its maximum height
B. when will it return
C. where will it be after 1 s ?
1.) A vector of 10 m/s is directed North-East. Approximately, what is its horizontal component?
a. 5 N
b. 880 N
c. 10 N
d. 7 N
2.) The components of a vector are the
a. Horizontal and vertical components
b. Horizontal and diagonal components
c. Vertical and diagonal components
d. Opposite directed components
3.) A relief good is dropped from a helicopter that is 300 m above the ground and rising at a rate of 13 m/s. How fast is the relief good going when it hits the ground?
a. 76.76 m/s
b. 77.8 m/s
c. 6.053 m/s
d. 55.76 m/s
4.) A dragster starts from rest and travels 1/4 mi in 6.70 s with constant acceleration. What is its speed in mi/h when it crosses the finish line?
a. 135
b. 269
c. 296
d. 188
1.) After lockdown, Pedro has finally able to road test his brand new car. He is waiting at a stoplight. When it finally turns green, he accelerated from rest at a rate of a 6 m/s2 for a tire of 4s. Determine his displacement during this time period.
a. 12 m
b. 48 m
c. 24 m
d. 96 m
2.) Zeus with an initial velocity of 0 experiences a uniform acceleration of 5 m/s2. How much time will he take to reach a velocity of 125 m/s?
a. 3125 s
b. 0.04 s
c. 25 s
d. 625 s
3.) For a free falling body, why does it follow a straight path while falling downward?
a. only gravity is acting on the body
b. air resistance prevents it from moving in any direction other than straight downward
c. due to its initial speed
d. no external force is acting on the body
1.) A fake 10-peso coin was thrown downward with an initial velocity of 2.2 m/s. After how many seconds will the coin have a velocity of 12 m/s?
a. 1.5 s
b. 1 s
c. 2 s
d. 0.5 s
2.) Barathram walks 2 m north, then 5 m south, then 3 m north. What is his overall displacement?
a. 2.83 m
b. 10 m
c. 0 m
d. 4 m
3.) When Rylay kicks a sipa, what is the acceleration of the sipa when it reaches its highest point?
a. 19.6 m/s
b. 9.8 m/s2
c. 0
d. 98 m/s
4.) During New Year's Eve, a bullet was fired directly upward with an initial velocity of 80 m/s. What was its velocity when it reached the ground? Neglect the height of the irresponsible person who fired the bullet.
a. 0
b. 80 m/s
c. 160 m/s
d. 640 m/s
