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A force is applied to a box of mass 2kg so that is accelerates at 2ms^-2. Find the force acting on the box and thus calculate the work done in moving the box 10m in the direction of the force.

Force=(mass)x(acceleration) F=2x2=4N Work done=(Force)x(distance) W=4x10=40J
ET
3137 Views

3/8 is the same as ?/24 ?

Look at the two fractions to see what multiplier has been used. In this case, the denominators are both known: 8 and 24. 8 has been multiplied by 3 to get a new denominator of 24. This means the numerator al...
RC
Answered by Rahul C. • Maths tutor
4209 Views

Sandeep has been fasting and is not drinking water during the daytime. Name the hormone and explain the sequence of events involving this hormone, that occur during the day to maintain Sandeep's water balance.

ADH (Anti-diuretic hormone). First his blood plasma becomes more concentrated. This is detected by receptors in the hypothalamus which stimulates the pituitary gland to secrete ADH. ADH enters the blood stre...
NB
Answered by Nathan B. • Biology tutor
2852 Views

What is the equation of an accelerated body moving in one dimension?

x=x 0 +v 0 t+1/2at 2
PA
Answered by Pablo A. • Physics tutor
2808 Views

What is a destructive plate boundary?

A destructive plate boundary occurs when convection currents in the magma causes one plate to be forced under another an melted in the molten layer. This causes pressure to rise on the plate above, and can c...
JR
Answered by Jenny R. • Geography tutor
4383 Views