The half life of radon is 3.80 days. What would be its decay constant

Which specific type of immunity is involved in antibody production?

How many protons are there in any te atom

A driver in a car traveling at a speed of 21.8 m/s sees a cat 101m away on the road. How long will it take for the car to accelerate uniformly for 3.2 km in 3.5 min. How fast (in m/s) is the car moving after this time?

Adolescents require fewer hours of physical activity than adults.

A block on an inclined plane experiences a force due to gravity of 300 N straight down. If the slope is inclined at 67.

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?