The force exerted by an object is calculated using Newton's second law, F = ma, where F is force, m is mass, and a is acceleration.

The gravitational force between two masses is given by Newton's law of universal gravitation: F = G(m1*m2)/r^2, where G is the gravitational constant.

The formula for heat transfer by conduction is Q = kA(T1-T2)/d, where k is the thermal conductivity, A is the area, and d is the thickness.

The formula for centripetal force is F = mv^2/r, where m is mass, v is velocity, and r is the radius of the circular path.

The charge on a capacitor during charging in an RC circuit is given by Q = C*V(1 - e^(-t/RC)).

The formula for the diffraction angle in a single-slit diffraction pattern is a sin(θ) = nλ.

The electric field between two parallel plates is given by E = V/d.

The electric field due to a point charge is given by E = k * Q / r^2, where k is Coulomb's constant.

The energy (U) stored in a capacitor is given by U = 1/2 C V^2.

The induced emf in a coil is given by Faraday's law of electromagnetic induction, which states that emf = -dΦ/dt, where Φ is the magnetic flux.

The formula for the observed frequency when the source is moving towards the observer is f' = f (v / (v - vs)).

The period T of a simple harmonic oscillator is given by T = 2π√(m/k), where m is the mass and k is the spring constant.

For capacitors in series, the total capacitance is given by 1/C_total = 1/C1 + 1/C2.

Frequency (f) = Speed (v) / Wavelength (λ) = 340 m/s / 2 m = 170 Hz.

Using Newton's law of gravitation, F = G(m1*m2)/r² = (6.674×10⁻¹¹)(10 kg)(10 kg)/(2 m)² = 50 N.

Using Newton's law of gravitation, F = G(m1*m2)/r² = (6.674×10⁻¹¹)(10 kg * 10 kg) / (2 m)² = 0.25 N.

Using Newton's law of universal gravitation, F = G(m1*m2)/r², where G = 6.674 × 10⁻¹¹ N(m/kg)², F = (6.674 × 10⁻¹¹)(10)(10)/(2²) = 50 N.

Using Newton's law of universal gravitation, F = G(m1*m2)/r², where G = 6.674×10⁻¹¹ N(m/kg)².

The gravitational force between two masses is given by Newton's law of gravitation: F = G(m1m2)/r^2.

The gravitational force between two masses is given by Newton's law of gravitation, F = G * (m1 * m2) / r^2.

Using the formula PE = m * g * h, where g = 10 m/s^2, PE = 1 kg * 10 m/s^2 * 10 m = 100 J.

The gravitational potential energy of an object at height h is given by PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

Using Q = mcΔT, Q = 3 kg * 900 J/kg°C * (75°C - 25°C) = 3 * 900 * 50 = 135000 J.

Kinetic energy KE = 0.5mv² = 0.5 × 2 kg × (3 m/s)² = 9 J.

Kinetic energy KE = 0.5mv² = 0.5 × 3 kg × (5 m/s)² = 37.5 J.

Kinetic energy KE = 0.5 * m * v² = 0.5 * 4 kg * (3 m/s)² = 18 J.

Kinetic energy is calculated as KE = 0.5 × m × v², so KE = 0.5 × 4 kg × (2 m/s)² = 8 J.

Kinetic Energy = 0.5 × m × v² = 0.5 × 5 kg × (4 m/s)² = 40 J.

The kinetic energy of a rotating rigid body is given by KE = 1/2 Iω^2, where I is the moment of inertia and ω is the angular velocity.

Kinetic energy is calculated as KE = 0.5 * m * v². Here, KE = 0.5 * 2 kg * (3 m/s)² = 9 J.