Register
PLEASE HELP ASAP!!! An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the object? A. 4 kg B. 55 kg С. 10 kg D. 1 kg
120,951 views
14 votes
14 votes
PLEASE HELP ASAP!!!

An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the
object?

A. 4 kg

B. 55 kg

С. 10 kg

D. 1 kg

User Badr
by
3.1k points

1 Answer

12 votes
12 votes

Answer:

0.5mv^2=50, v=5, 25/2×m=50, m=50×2/25, So, the answer is 4

User Chris Riley
by
2.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Determjne the density of liquid whose relative density is 1.25 given that the density is 1000kgm-3​
After a light turns green , Lesly accelerates to 120 km/hr over 100 meters . What is her acceleration in m/s^2
How can I solve the following? In (Figure 1), let V = 15.0 V and C1=C2=C3= 24.2 μF. Part A: How much energy is stored in the capacitor network as shown in (Figure 1)? Part B: How much energy would be stored
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object. 2. if i start with 36 ml of water in a graduated
Why is the system of si unit developed
Link Copied!