SOMEONE PLEASE HELP I'LL MARK BRAINLIEST
all 4

Answer:

in my knowledge

answers

1) amplitude

2) hertz

4) air

Science: Look at the image and answer the question correctly.

A student was sitting motionless in class. Which of the following explains why the student remains motionless?

A - There are no forces acting on the student.
B - The only force acting on the student is gravity pulling down.
C - The forces acting on the student are balanced.
D - The chair is the only force acting on the student, keeping them still.

What is the rate of acceleration of a 2,000 kilogram truck if a force of 4,200 N is used to make it start moving forward?

Which of the following would most likely be an example of a mass-transit disaster?

a) an industrial accident
b) a bridge collapse
c) a hurricane with flooding
d) a nuclear power plant explosion

In order to ride a bike up a hill with increasing speed—

the rider’s pedal force must be less than friction and the force of gravity
the rider’s pedal force must be equal to than friction and the force of gravity
the rider’s pedal force must be greater than friction and the force of gravity
It is impossible to ride up a hill with increasing speed.
WILL MARK BRAINLIEST

When determining the scope of a disaster, analysts consider which of the following? (There may be more than one correct answer.)


a) the damage created by the disaster

b) the distance to the nearest community

c) number of people affected

d) the square miles of the affected area

please help i don't understand. will mark brainliest

A- soccer ball
B - tennis ball
C - marble
D - ping pong ball

A basketball with a mass of 0.80 kg is accelerated with a force of 16.0 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2?

I need help Plzzzzzzzzz

In the demonstration by Cal’s teacher, the string represents the force that keeps the planet in orbit. Which statement BEST describes what would happen first if the string broke while swinging the ball during the demonstration?

A
The ball would continue orbiting.

B
The ball would immediately fall to the ground.

C
The ball would fly in a straight line away from the teacher.

D
The ball would move in a spiral getting farther away from the teacher.

List the events in order from OLDEST to YOUNGEST

[sorry im doing this again] When does an electrically charged object attract another object?

A When one object is far away from the other

B When each object is negatively charged

C When the objects are oppositely charged

D When each object is positively charged [Edited] peps took to long just guessed:{

Several objects were dropped from a balcony. Using the data below, determine which statements must be true regarding the rate of force of each falling object. Neglect (ignore) air resistance.



Object

Mass

Diameter

Height of drop

Tennis Ball

0.06 kg

6.6 cm

5 m

Baseball

0.15 kg

74 cm

5 m

Bowling Ball

5 kg

21 cm

5 m

Golf Ball

0.04 kg

4.3 cm

5 m

Statement 1: All balls hit the ground at the same time

Statement 2: All balls hit the ground with different forces

Statement 3: The bowling ball hit the ground first and the tennis and golf ball hit the ground last

Statement 4: It is not possible to tell how much force each ball hit the ground with

Which of the following is an example of an approximately neutral pH?



baking soda


lemon juice


hand soap


pure water

Which number indicates how the moon is seen from earth during the second week of the lunar cycle?

PLSSSSSSSS HELP WILL GIVE BRAINLYIST