MCAT · Practice Sheet 34

1. 1.

   Physics

   An object starts at 19 m/s and accelerates at 6 m/s² for 12 s. Find its final velocity.

   Formula:Equation of Motion (v = u + at)

   $v = u + at$

   View formula →
2. 2.

   Physics

   If 3,103 J of work is done in 25 s, find the power.

   Formula:Power

   $P = \dfrac{W}{t}$

   View formula →
3. 3.

   Biology

   Under a microscope, an object of actual size 3.3 mm appears 254.1 mm. Find the magnification.

   Formula:Microscope Magnification

   $M = \dfrac{\text{image size}}{\text{actual size}}$

   View formula →
4. 4.

   Chemistry

   Find the molarity of a solution containing 2.5 mol of solute in 2.5 L of solution.

   Formula:Molarity

   $M = \dfrac{n}{V}$

   View formula →
5. 5.

   Biology

   Under a microscope, an object of actual size 0.8 mm appears 35.2 mm. Find the magnification.

   Formula:Microscope Magnification

   $M = \dfrac{\text{image size}}{\text{actual size}}$

   View formula →
6. 6.

   Physics

   Find the electrical power when 228 V drives a current of 14 A.

   Formula:Electrical Power

   $P = VI$

   View formula →
7. 7.

   Physics

   Calculate the potential energy of a 42 kg object at a height of 18 m (g = 9.8 m/s²).

   Formula:Gravitational Potential Energy

   $PE = mgh$

   View formula →
8. 8.

   Chemistry

   How many moles are present in 29.25 g of sodium chloride (NaCl) (molar mass = 58.5 g/mol)?

   Formula:Number of Moles

   $n = \dfrac{m}{M}$

   View formula →
9. 9.

   Physics

   Find the kinetic energy of a 20 kg object moving at 12 m/s.

   Formula:Kinetic Energy

   $KE = \tfrac{1}{2}mv^{2}$

   View formula →
10. 10.

    Physics

    A constant force of 81 N moves an object 37 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

    View formula →
11. 11.

    Chemistry

    87 mL of a 2 M solution is diluted to 269 mL. Find the new concentration.

    Formula:Dilution

    $M_1V_1 = M_2V_2$

    View formula →
12. 12.

    Chemistry

    Find the molarity of a solution containing 1.5 mol of solute in 2 L of solution.

    Formula:Molarity

    $M = \dfrac{n}{V}$

    View formula →
13. 13.

    Biology

    In a population at Hardy–Weinberg equilibrium, the recessive allele frequency q = 0.5. Find the dominant allele frequency p and the percentage of heterozygous carriers.

    Formula:Hardy–Weinberg Equilibrium

    $p + q = 1,\;\; 2pq = \text{carriers}$

    View formula →
14. 14.

    Physics

    Find the density of an object with mass 361 g and volume 24 cm³.

    Formula:Density

    $\rho = \dfrac{m}{V}$

    View formula →
15. 15.

    Biology

    In a monohybrid cross (Aa × Aa) producing 184 F₂ offspring, how many are expected to show the dominant and the recessive phenotype (3:1 ratio)?

    Formula:Monohybrid Cross (3:1)

    $\text{Dominant}:\text{Recessive} = 3:1$

    View formula →
16. 16.

    Physics

    Calculate the potential energy of a 10 kg object at a height of 23 m (g = 9.8 m/s²).

    Formula:Gravitational Potential Energy

    $PE = mgh$

    View formula →
17. 17.

    Physics

    A constant force of 134 N moves an object 28 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

    View formula →
18. 18.

    Biology

    In a population at Hardy–Weinberg equilibrium, the recessive allele frequency q = 0.2. Find the dominant allele frequency p and the percentage of heterozygous carriers.

    Formula:Hardy–Weinberg Equilibrium

    $p + q = 1,\;\; 2pq = \text{carriers}$

    View formula →
19. 19.

    Physics

    A constant force of 21 N moves an object 23 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

    View formula →
20. 20.

    Biology

    Under a microscope, an object of actual size 0.5 mm appears 22.5 mm. Find the magnification.

    Formula:Microscope Magnification

    $M = \dfrac{\text{image size}}{\text{actual size}}$

    View formula →

© FormulaWon — formulawon.app · Answers & step-by-step working available on the solutions sheet.