Sure, here's how you can calculate the velocity of the object:

Step 1: Understand the given values.
The initial velocity (u) is 3.0 m/s.
The acceleration (a) is 7.0 m/s².
The time (t) is 4.0 s.

Step 2: Use the formula for velocity when acceleration is constant.
The formula is: v = u + at

Step 3: Substitute the given values into the formula.
v = 3.0 m/s + (7.0 m/s² * 4.0 s)

Step 4: Perform the multiplication.
v = 3.0 m/s + 28.0 m/s

Step 5: Add the results.
v = 31.0 m/s

So, the velocity of the object after 4.0 seconds is 31.0 m/s.

Question

Sure, here's how you can calculate the velocity of the object:

Step 1: Understand the given values.
The initial velocity (u) is 3.0 m/s.
The acceleration (a) is 7.0 m/s².
The time (t) is 4.0 s.

Step 2: Use the formula for velocity when acceleration is constant.
The formula is: v = u + at

Step 3: Substitute the given values into the formula.
v = 3.0 m/s + (7.0 m/s² * 4.0 s)

Step 4: Perform the multiplication.
v = 3.0 m/s + 28.0 m/s

Step 5: Add the results.
v = 31.0 m/s

So, the velocity of the object after 4.0 seconds is 31.0 m/s.

Knowee AI · Accepted Answer

Sure, here's how you can calculate the velocity of the object:

Step 1: Understand the given values.
The initial velocity (u) is 3.0 m/s.
The acceleration (a) is 7.0 m/s².
The time (t) is 4.0 s.

Step 2: Use the formula for velocity when acceleration is constant.
The formula is: v = u + at

Step 3: Substitute the given values into the formula.
v = 3.0 m/s + (7.0 m/s² * 4.0 s)

Step 4: Perform the multiplication.
v = 3.0 m/s + 28.0 m/s

Step 5: Add the results.
v = 31.0 m/s

So, the velocity of the object after 4.0 seconds is 31.0 m/s.

What is the velocity of an object accelerating at 7.0m/s 2 after 4.0s when it is initially moving at 3.0m/s?